Win Update KB5066835 Windows 11 Cumulative Update build 26100.6899 (24H2) and 26200.6899 (25H2) - Oct. 14


UPDATE 10/28:
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KB5067036 Windows 11 Cumulative Update Preview build 26100.7019 (24H2) and 26200.7019 (25H2) - Oct. 28

UPDATE 11/11: https://www.elevenforum.com/t/kb5068861-windows-11-cumulative-update-build-26100-7171-24h2-and-26200-7171-25h2-nov-11.41909/ Microsoft Support: This non-security update for Windows 11, version 24H2 (KB5067036), improves functionality, performance, and reliability. To learn more...
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 Microsoft Support:

October 14, 2025 - KB5066835 (OS Builds 26200.6899 and 26100.6899)​

Windows Secure Boot certificate expiration

Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the ability of certain personal and business devices to boot securely if not updated in time. To avoid disruption, we recommend reviewing the guidance and taking action to update certificates in advance. For details and preparation steps, see Windows Secure Boot certificate expiration and CA updates.

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Updating Microsoft Secure Boot keys before expiration in June 2026

https://techcommunity.microsoft.com/event/windowsevents/ask-microsoft-anything-secure-boot---may-2026/4513524 UPDATE 4/02: https://support.microsoft.com/en-us/topic/secure-boot-certificate-update-status-in-the-windows-security-app-5ce39986-7dd2-4852-8c21-ef30dd04f046 UPDATE 2/10...
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To learn more about Windows update terminology, see types of Windows updates and monthly quality update types. For an overview, see the update history page for Windows 11, version 24H2 and version 25H2.

Stay informed! Follow @WindowsUpdate for the latest updates from the Windows Release Health Dashboard.

Windows Updates do not include updates for Microsoft Store apps.

If you're an enterprise user, see Microsoft Store apps - Configuration Manager.
If you're a consumer user, see Get updates for apps and games in Microsoft Store.


Change Log

Change date​
Change description​
October 22, 2025
October 19, 2025
  • Added the following new improvement included in this update:

    [Cryptography] This update enforces a security hardening improvement by requiring use of Key Storage Provider (KSP) instead of Cryptographic Service Provider {CSP) for RSA-based smart card certificates. If you experience problems with smart card authentication as a result of this design change, see the Windows Release Health site for resolution steps. For additional details, see CVE-2024-30098.

Highlights​

  • This update addresses security issues for your Windows operating system.

Improvements​

This security update contains fixes and quality improvements from KB5065789 (released September 29, 2025). The following summary outlines key issues addressed by this update. Also, included are available new features. The bold text within the brackets indicates the item or area of the change.
  • [Browser] Fixed: This update addresses an issue that caused the print preview screen to stop responding in Chromium-based browsers.
  • [Gaming] Fixed: An issue occurred when users signed in to a Windows device using only a Gamepad at the lock screen. If no other input methods—such as touch or fingerprint—were used during sign-in, apps and games did not respond to input afterward.
  • [PowerShell]
    • Fixed: This update addresses an issue that affects PowerShell Remoting and Windows Remote Management (WinRM), where commands might time out after 10 minutes.
    • Fixed: This update addresses an issue that prevented an audit event from being logged.
  • [Windows Hello] Fixed: This update addresses an issue that affects the setup process for Windows Hello face recognition when using USB infrared camera modules. Users were unable to complete setup due to a persistent error message, such as “Make sure your face is centered in the frame.”
  • [Compatibility] This update removes the ltmdm64.sys driver. Fax modem hardware dependent on this specific driver will no longer work in Windows.
  • [Cryptography] This update enforces a security hardening improvement by requiring use of Key Storage Provider (KSP) instead of Cryptographic Service Provider {CSP) for RSA-based smart card certificates. If you experience problems with smart card authentication as a result of this design change, see the Windows Release Health site for resolution steps. For additional details, see CVE-2024-30098.
  • [File Explorer] After installing this update, File Explorer automatically disables the preview feature for files downloaded from the internet. This change is designed to enhance security by preventing a vulnerability when users preview potentially unsafe files. For details, including steps to unblock files, see File Explorer automatically disables the preview feature for files downloaded from the internet.
If you've already installed previous updates, your device will download and install only the new updates included in this package.

For more information about security vulnerabilities, see the Security Update Guide website and the October 2025 Security Updates.

AI Components​

This release updates the following AI components:

AI ComponentVersion
Image Search1.2509.1022.0
Content Extraction1.2509.1022.0
Semantic Analysis1.2509.1022.0
Settings Model1.2509.1022.0

Windows 11 servicing stack update (KB5067360)- 26100.6893​

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates. To learn more about SSUs, see Simplifying on-premises deployment of servicing stack updates.

Known issues in this update​

1 Problems playing protected content in some BluRay/DVD/Digital TV apps

Symptoms
Some Digital TV and Blu-ray/DVD apps might not play protected content as expected after installing the August 29, 2025, Windows non-security preview update (KB5064081), or later updates.

Apps that use Enhanced Video Renderer with HDCP enforcement or Digital Rights Management (DRM) for digital audio might show copyright protection errors, frequent playback interruptions, unexpected stops, or black screens.

Streaming services are not affected.

Workaround
This issue is partially resolved. Problems affecting certain applications that use Enhanced Video Renderer with HDCP enforcement have been addressed in the September 2025 Windows preview update (KB5065789) and later updates.

We recommend installing the latest update for your device. It includes important improvements and fixes, including a resolution for this issue.

However, some apps that use DRM for digital audio might still experience problems.

We’re investigating a long-term solution for affected apps and will share more information when it's available.

2 USB mouse and keyboard not working in the Windows Recovery Environment

Symptoms
After installing October 2025 security update (KB5066835), USB devices, such as keyboards and mice, do not function in the Windows Recovery Environment (WinRE). This issue prevents navigation of any of the recovery options within WinRE. Note that the USB keyboard and mouse continue to work normally within the Windows operating system.

Workaround
This issue is addressed in KB5070773.

How to get this update​

Before you install this update

Microsoft combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

Install this update

To install this update, use one of the following Windows and Microsoft release channels.

AvailableNext Step
Included
This update downloads and installs automatically from Windows Update and Microsoft Update.
Yes 1Before you install this update
To get the standalone package(s) for this update, go to the Microsoft Update Catalog website. This KB contains one or more MSU files that require installation in a specific order.

Install this update
Method 1: Install all MSU files together

Download all MSU files for KB5066835 from Microsoft Update Catalog and place them in the same folder (for example, C:/Packages). Use Deployment Image Servicing and Management (DISM.exe) to install the target update. DISM will use the folder specified in PackagePath to discover and install one or more prerequisite MSU files as needed.

Updating Windows PC
To apply this update to a running Windows PC, run the following command from an elevated Command Prompt:

DISM /Online /Add-Package /PackagePath:c:\packages\Windows11.0-KB5066835-x64.msu

Or, run the following command from an elevated Windows PowerShell prompt:

Add-WindowsPackage -Online -PackagePath "c:\packages\Windows11.0-KB5066835-x64.msu"

Or use Windows Update Standalone Installer to install the target update.

Updating Windows Installation media

To apply this update to Windows Installation media, see Update Windows installation media with Dynamic Update.

Note: When downloading other Dynamic Update packages, ensure they match the same month as this KB. If the SafeOS Dynamic Update or Setup Dynamic Update is not available for the same month as this KB, use the most recently published version of each.

To add this update to a mounted image, run the following command from an elevated Command Prompt:

DISM /Image:mountdir /Add-Package /PackagePath:Windows11.0-KB5066835-x64.msu

Or, run the following command from an elevated Windows PowerShell prompt:

Add-WindowsPackage -Path "c:\offline" -PackagePath "Windows11.0-KB5066835-x64.msu" -PreventPending

Method 2: Install each MSU file individually, in order
Download and install each MSU file individually either using DISM or Windows Update Standalone Installer in the following order:
  1. windows11.0-kb5043080-x64_953449672073f8fb99badb4cc6d5d7849b9c83e8.msu
  2. windows11.0-kb5066835-x64_199ed7806a74fe78e3b0ef4f2073760000f71972.msu

1 This latest cumulative update includes updates for AI components. Even though the AI component updates are included in the update, the AI components are only applicable to Windows Copilot+ PCs and will not install on Windows PC or Windows Server.

If you want to remove the LCU

To remove the LCU after installing the combined SSU and LCU package, use the DISM/Remove-Package command line option with the LCU package name as the argument. You can find the package name by using this command: DISM /online /get-packages.

Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.

File information

For a list of the files provided in this update, download the file information for cumulative update 5066835.

For a list of the files provided in the servicing stack update, download the file information for the SSU (KB5067360) - version 26100.6893.


 Source:

October 14, 2025—KB5066835 (OS Builds 26200.6899 and 26100.6899) - Microsoft Support

support.microsoft.com support.microsoft.com


Check Windows Updates


ISO or USB from Microsoft Media Creation Tool (MCT):

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Download Official Windows 11 ISO file from Microsoft

This tutorial will show you how to download an official Windows Server or Windows 11 64-bit or ARM64 ISO file from Microsoft. Microsoft provides ISO files for Windows Server and Windows 11 to download. You can use these ISO files to clean install or in-place upgrade Windows 11. The Flight Hub...
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UUP Dump:

64-bit ISO download:
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Select language for Windows 11, version 24H2 (26100.6899) amd64

Select language for Windows 11, version 24H2 (26100.6899) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
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Select language for Windows 11, version 25H2 (26200.6899) amd64

Select language for Windows 11, version 25H2 (26200.6899) amd64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
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ARM64 ISO download:
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Select language for Windows 11, version 24H2 (26100.6899) arm64

Select language for Windows 11, version 24H2 (26100.6899) arm64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
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uupdump.net

Select language for Windows 11, version 25H2 (26200.6899) arm64

Select language for Windows 11, version 25H2 (26200.6899) arm64 on UUP dump. UUP dump lets you download Unified Update Platform files, like Windows Insider updates, directly from Windows Update.
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UUP Dump - Download Windows Insider ISO

UUP Dump is the most practical and easy way to get ISO images of any Insider Windows 10 or Windows 11 version, as soon as Microsoft has released a new build. UUP Dump creates a download configuration file according to your choices, downloads necessary files directly from Microsoft servers, and...
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Last edited:
Click to expand...
erhanercan said:
If you use the scanhealth command again after cleaning the component, you may see that it is corrupted again.
Click to expand...
Nope, no corruptions found again.
Captura de ecrã 2025-10-16 124413.webp
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 64-bits 25H2 26200-7922
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom self built
    CPU
    AMD Ryzen 3 3200G with Radeon Vega Graphics 3.60 GHz
    Motherboard
    MSI B350 PC MATE
    Memory
    32,00 GB TeamGroup DDR4-2667
    Graphics Card(s)
    Nvidia GeForce GT 730 & Radeon™ Vega 8 Graphics
    Sound Card
    nVIDIA GK208 HDMI/DP High Definition Audio Controller
    Monitor(s) Displays
    AOC 27"
    Screen Resolution
    3840x2160
    Hard Drives
    SSD Team Group T-Force Cardea Zero Z440 1TB Gen4 M.2 NVMe (5000/4400MB/s), SSD Team Group CX2 512GB SATA III (530/470MB/s) and 2x Seagate 1TB BarraCuda 64MB 7200rpm SATA III 3.5 - ST1000DM010
    PSU
    LC-Power 650W V2.3
    Case
    ATX Nox Hummer ZS
    Cooling
    No cooling
    Keyboard
    Logitech K220
    Mouse
    Logitech
    Internet Speed
    1000/200
    Browser
    Firefox 148.0
    Antivirus
    Windows Defender
    Other Info
    Optical Drive ASUS DRW-24D5MT
  • Operating System
    Windows 11 Pro 64-bits 25H2 26200-7922
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude 5400
    CPU
    Intel Core i5-8365U
    Motherboard
    Dell 03WM4C - Intel Cannon Lake-U PCH-LP Premium
    Memory
    16 GB
    Graphics card(s)
    Intel UHD Graphics 620 - Whiskey Lake-U GT2
    Sound Card
    Intel Cannon Lake-LP - cAVS (Audio, Voice, Speech) [D0]
    Monitor(s) Displays
    Dell NV14N4F
    Screen Resolution
    1920 x 1080
    Hard Drives
    Micron 2200S NVMe 256 GB
    PSU
    Dell X7XY03
    Internet Speed
    1000 Mbps / 200 MBps
    Browser
    Firefox 148.0
    Antivirus
    Microsoft Windows Defender
mingle said:
Another one for whom it won't install...

Dell 9030 AIO i7 4940s, 8GB RAM, 1TB SSB, Win 25H2 26200.6725 upgraded (7 days ago) from 23H2. Other updates have installed fine, but KB5066835 fails with Install error - 0x800f0983.

I've tried sfc/scannow, cleaning out the update cache and the usual DISM cleanup with no luck. Also tried d/l the update from the catalog and manually installing, but that failed too.
Click to expand...

What worked for me was a repair install of Windows from Settings > System > Recovery > Fix problems using Windows update.
 

My Computers

System One System Two

  • OS
    Windows 11 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Tower Plus EBT2250
    CPU
    Intel Core Ultra 7 265
    Memory
    32GB
    Graphics Card(s)
    NVIDIA GeForce RTX 3050 6GB
    Monitor(s) Displays
    2x Dell U2419H
    Hard Drives
    NVMe Phison 521GB SSD
    Seagate 2TB HDD
    (Dell installed them RAID enabled using Intel VMD)
  • Operating System
    Windows 11 25H2
    Computer type
    Laptop
    Manufacturer/Model
    HP
    CPU
    Intel Core i5-1334U
    Motherboard
    HP 8DD7 - Intel Alder Lake-P PCH
    Memory
    8 GB
    Graphics card(s)
    Intel Raptor Lake-U - Integrated Graphics
    Hard Drives
    512 GB
FrankW said:
I am on W11 Home 25H2 and KB5066835 failed to install on both my systems (Acer PHN16-71 and Asus VivoBook OLED laptops). Ran DISM online and SFC both commands completed successfully but that 25H2 update fails to install, error 0x800f0983, after many attempts and restarts, any suggestions other than postponing updates for a week?
Click to expand...

Recovery option "Fix problems with Windows Update" will download the current version for Oct 14. I had the same error. I assume other forms of resetting/reinstalling works as well. No idea why Windows Update bugs out but my OS install was only 12 days old at the time.
 

My Computer

System One

  • OS
    Windows 11 Home 25H2 26200.6901
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
    CPU
    AMD 9800X3D
    Motherboard
    MSI B850 Gaming Plus Wifi
    Memory
    Patriot Viper
    Graphics Card(s)
    EVGA GeForce RTX 3070 Ti FTW3 ULTRA GAMING
    Sound Card
    Realtek 7.1 Surround Sound High Definition Audio CODEC (Built-in w/ Motherboard)
    Monitor(s) Displays
    ACER XG270HU
    Screen Resolution
    2560x1440 144hz
    Hard Drives
    Samsung 980 PRO NVMe M.2 PCI-E x4 SSD, 1TB for OS/Apps
    Western Digital Blue Series 3D NAND SATA III 2.5in Solid State Drive, 2TB (Games)
    PSU
    Corsair RM White Series RM850 80+ Gold Modular ATX Power Supply, 850W
    Case
    NXZT H9 Flow
    Cooling
    Be Quiet Light Loop 360
    Keyboard
    Razer Cynosa V2
    Mouse
    Razer Naga Trinity
    Internet Speed
    Cable 934Mbps download 50Mbps Upload
    Browser
    Edge/Chrome
    Antivirus
    Windows Antivirus/Defender. Bitdefender when not Troubleshooting
Just received this Cumulative, Net Framework, and some security updates! No issues.
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Microsoft Surface Pro
    CPU
    i5-7300U @ 2.6 GHz
    Motherboard
    Intel
    Memory
    8 GB
    Graphics Card(s)
    Intel HD Graphics
    Hard Drives
    SSD Local Disk (C) - 117 GB
I tried to create Win 11 25H2 ISO file that contains patch 6899, but the first MSU patch out of 2 fails on my system with error.

Guide I used.
www.xda-developers.com

How to integrate cumulative updates into Windows 11 ISO before installation

Slipstreaming is easy!
www.xda-developers.com www.xda-developers.com

I swear my next operating system will be Linux.

error.webp

Log:
Code: 
2025-10-16 15:00:19, Info                  DPX    Ended DPX phase: Resume and Download Job
2025-10-16 15:00:19, Info                  DPX    Started DPX phase: Resume and Download Job
2025-10-16 15:00:19, Info                  DPX    Started DPX phase: Apply Deltas Provided In File
2025-10-16 15:00:19, Info                  DPX    Ended DPX phase: Apply Deltas Provided In File
2025-10-16 15:00:19, Info                  DPX    Started DPX phase: Apply Deltas Provided In File
2025-10-16 15:00:19, Info                  DPX    Ended DPX phase: Apply Deltas Provided In File
2025-10-16 15:00:19, Info                  DPX    CJob::Resume completed with status: 0x0
2025-10-16 15:00:19, Info                  DPX    Ended DPX phase: Resume and Download Job
2025-10-16 15:00:19, Info                         Loading database: \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\LCUCompDB_KB5066835.xml
2025-10-16 15:00:19, Info                         Loading database: \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\ModelCompDB.xml
2025-10-16 15:00:19, Error                        XML parse error: c00000b9 [Error,Facility=(system),Code=185 (0x00b9)] at line 7, column 5 : <Feature FeatureID="Windows.Workload.Analysis.365.amd64" FMID="MSDN" Group="Microsoft" Type="UUPProduct">
2025-10-16 15:00:19, Error                        Could not parse \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\ModelCompDB.xml: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Error                        Failed to parse compDB file: \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\ModelCompDB.xml: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Error                        Failed to load CompDB list:G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Info                         Deleting directory: \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\
2025-10-16 15:00:19, Info                         Moving directory from \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\ to \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\B2BE8319-92EA-4E42-BE66-D31BA8EFF0FE
2025-10-16 15:00:19, Info                         Deletion of: \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\B2BE8319-92EA-4E42-BE66-D31BA8EFF0FE successful
2025-10-16 15:00:19, Info                         arbiter: --- CreateActionlist end with result: -2147024344 ---
2025-10-16 15:00:19, Error                        Failed to create action list.: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Error                        Failed to create action list.: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Error                        CDeploymentSession::CallCreateActionList(6572): Result = 0x80070228
2025-10-16 15:00:19, Error                        CreateActionList failed. Error: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Info                         GenerateDownloadRequest: Exit
2025-10-16 15:00:19, Info                         OnError: [0x80070228]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting bucket parameter [3]: [0x80070228]
2025-10-16 15:00:19, Info                         Error is fatal: [TRUE]. UpdateResult: [1].
2025-10-16 15:00:19, Info                         [Plugins]::Serialize: 0 plugins present
2025-10-16 15:00:19, Info                         WatsonHelper: Setting bucket parameter [2]: [1]
2025-10-16 15:00:19, Info                  CONX   aepic: TRACE,PicRetrieveFileInfo,950,Deprecated flag used: [0x4000]




2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [0] to: [22]
2025-10-16 15:00:19, Info                         WatsonHelper: Parameter [1] is muted - Ignoring: [X]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [1] to: [X]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [2] to: [1]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [3] to: [0x80070228]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [4] to: [amd64]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [5] to: [26200]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [6] to: [ge_release]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [7] to: [26100]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [8] to: [ge_release_svc_prod1]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [9] to: [1742]
2025-10-16 15:00:19, Info                         WatsonHelper: Adding file to report [C:\Windows\Logs\MoSetup\UpdateAgent.log]
2025-10-16 15:00:19, Info                         WatsonHelper: Adding file to report [C:\Windows\Logs\MoSetup\ActionList.xml]
2025-10-16 15:00:19, Info                         WatsonHelper: Adding file to report [C:\Windows\Logs\MoSetup\DeviceInventory.xml]
2025-10-16 15:00:19, Info                         WatsonHelper:  Uploading Report.
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: ExtensionName               = [OS]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: hr                          = [0x80070228]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: InternalFailureResult       = [0x0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: result                      = [1]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: RangeRequestState           = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DeletedCorruptFiles         = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadRequests            = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountTotal           = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountRequired        = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountOptional        = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadedSizeCanonical     = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadedSizePSFX          = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadedSizeDiff          = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadedSizeExpress       = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountTotalCanonical  = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountTotalPSFX       = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountTotalDiff       = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountTotalExpress    = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageExpressType          = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCategoriesSkipped    = [0x0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: ContainsSafeOSDUPackage     = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: ContainsReinstallCurrentLCU = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: IsOnPremScenario            = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: SandboxTaggedForReserves    = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadComplete            = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: CancelRequested             = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: NumberOfHops                = [0]
2025-10-16 15:00:27, Error                 DISM   DISM Package Manager: PID=6632 TID=20736 Failed getting the download request. - CDISMPackageManager::ProcessWithUpdateAgent(hr:0x80070228)
2025-10-16 15:00:27, Info                         Deleting non payload files from sandbox.
2025-10-16 15:00:27, Info                         Deleting G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\windlp.state.xml
2025-10-16 15:00:27, Info                         Deleting G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\windlp.state-old.xml
2025-10-16 15:00:27, Info                         UpdateAgent logging ends.
 

My Computer

System One

  • OS
    Windows 11
xopxop2 said:
I tried to create Win 11 25H2 ISO file that contains patch 6899, but the first MSU patch out of 2 fails on my system with error.

Guide I used.
www.xda-developers.com

How to integrate cumulative updates into Windows 11 ISO before installation

Slipstreaming is easy!
www.xda-developers.com www.xda-developers.com

I swear my next operating system will be Linux.

View attachment 149257

Log:
Code: 
2025-10-16 15:00:19, Info                  DPX    Ended DPX phase: Resume and Download Job
2025-10-16 15:00:19, Info                  DPX    Started DPX phase: Resume and Download Job
2025-10-16 15:00:19, Info                  DPX    Started DPX phase: Apply Deltas Provided In File
2025-10-16 15:00:19, Info                  DPX    Ended DPX phase: Apply Deltas Provided In File
2025-10-16 15:00:19, Info                  DPX    Started DPX phase: Apply Deltas Provided In File
2025-10-16 15:00:19, Info                  DPX    Ended DPX phase: Apply Deltas Provided In File
2025-10-16 15:00:19, Info                  DPX    CJob::Resume completed with status: 0x0
2025-10-16 15:00:19, Info                  DPX    Ended DPX phase: Resume and Download Job
2025-10-16 15:00:19, Info                         Loading database: \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\LCUCompDB_KB5066835.xml
2025-10-16 15:00:19, Info                         Loading database: \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\ModelCompDB.xml
2025-10-16 15:00:19, Error                        XML parse error: c00000b9 [Error,Facility=(system),Code=185 (0x00b9)] at line 7, column 5 : <Feature FeatureID="Windows.Workload.Analysis.365.amd64" FMID="MSDN" Group="Microsoft" Type="UUPProduct">
2025-10-16 15:00:19, Error                        Could not parse \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\ModelCompDB.xml: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Error                        Failed to parse compDB file: \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\ModelCompDB.xml: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Error                        Failed to load CompDB list:G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Info                         Deleting directory: \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\
2025-10-16 15:00:19, Info                         Moving directory from \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\SessionCompDBs\ to \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\B2BE8319-92EA-4E42-BE66-D31BA8EFF0FE
2025-10-16 15:00:19, Info                         Deletion of: \\?\G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\metadata\B2BE8319-92EA-4E42-BE66-D31BA8EFF0FE successful
2025-10-16 15:00:19, Info                         arbiter: --- CreateActionlist end with result: -2147024344 ---
2025-10-16 15:00:19, Error                        Failed to create action list.: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Error                        Failed to create action list.: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Error                        CDeploymentSession::CallCreateActionList(6572): Result = 0x80070228
2025-10-16 15:00:19, Error                        CreateActionList failed. Error: HRESULT_FROM_WIN32(552)
2025-10-16 15:00:19, Info                         GenerateDownloadRequest: Exit
2025-10-16 15:00:19, Info                         OnError: [0x80070228]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting bucket parameter [3]: [0x80070228]
2025-10-16 15:00:19, Info                         Error is fatal: [TRUE]. UpdateResult: [1].
2025-10-16 15:00:19, Info                         [Plugins]::Serialize: 0 plugins present
2025-10-16 15:00:19, Info                         WatsonHelper: Setting bucket parameter [2]: [1]
2025-10-16 15:00:19, Info                  CONX   aepic: TRACE,PicRetrieveFileInfo,950,Deprecated flag used: [0x4000]




2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [0] to: [22]
2025-10-16 15:00:19, Info                         WatsonHelper: Parameter [1] is muted - Ignoring: [X]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [1] to: [X]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [2] to: [1]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [3] to: [0x80070228]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [4] to: [amd64]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [5] to: [26200]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [6] to: [ge_release]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [7] to: [26100]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [8] to: [ge_release_svc_prod1]
2025-10-16 15:00:19, Info                         WatsonHelper: Setting Parameter [9] to: [1742]
2025-10-16 15:00:19, Info                         WatsonHelper: Adding file to report [C:\Windows\Logs\MoSetup\UpdateAgent.log]
2025-10-16 15:00:19, Info                         WatsonHelper: Adding file to report [C:\Windows\Logs\MoSetup\ActionList.xml]
2025-10-16 15:00:19, Info                         WatsonHelper: Adding file to report [C:\Windows\Logs\MoSetup\DeviceInventory.xml]
2025-10-16 15:00:19, Info                         WatsonHelper:  Uploading Report.
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: ExtensionName               = [OS]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: hr                          = [0x80070228]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: InternalFailureResult       = [0x0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: result                      = [1]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: RangeRequestState           = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DeletedCorruptFiles         = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadRequests            = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountTotal           = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountRequired        = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountOptional        = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadedSizeCanonical     = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadedSizePSFX          = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadedSizeDiff          = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadedSizeExpress       = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountTotalCanonical  = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountTotalPSFX       = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountTotalDiff       = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCountTotalExpress    = [0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageExpressType          = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: PackageCategoriesSkipped    = [0x0]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: ContainsSafeOSDUPackage     = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: ContainsReinstallCurrentLCU = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: IsOnPremScenario            = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: SandboxTaggedForReserves    = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: DownloadComplete            = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: CancelRequested             = [FALSE]
2025-10-16 15:00:27, Info                         ReportEventDownloadRequestEnd: NumberOfHops                = [0]
2025-10-16 15:00:27, Error                 DISM   DISM Package Manager: PID=6632 TID=20736 Failed getting the download request. - CDISMPackageManager::ProcessWithUpdateAgent(hr:0x80070228)
2025-10-16 15:00:27, Info                         Deleting non payload files from sandbox.
2025-10-16 15:00:27, Info                         Deleting G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\windlp.state.xml
2025-10-16 15:00:27, Info                         Deleting G:\mounted_wim\Windows\Temp\0E2BF3D4-52A3-4C3F-9C47-FCD1DCA5779C\windlp.state-old.xml
2025-10-16 15:00:27, Info                         UpdateAgent logging ends.
Click to expand...
I installed 26200.6584 and update to 6899 fast.
 

My Computer

System One

  • OS
    26200.8037
    Computer type
    PC/Desktop
    CPU
    i5-11400F
    Motherboard
    Gigabyte
    Memory
    32GB
    Graphics Card(s)
    Geforce GT-1030
    Keyboard
    Logitech K400
    Mouse
    Logitech M720
    Internet Speed
    600 Mb
    Browser
    Edge

My Computer

System One

  • OS
    Windows 11 Home - 26200.8246 - 25H2
    Computer type
    Laptop
    Manufacturer/Model
    Huawei Matebook D15 Ryzen 5500U 8GB / 512 SSD, Windows 11 Home Single Language
    CPU
    Ryzen 5500U
    Keyboard
    Logitech K380, G15
    Mouse
    Logi m350, Everest SM-620, Logitech G9, Lecoo WS210
    Browser
    Chrome (Desktop), Vivaldi (Mobile)
    Antivirus
    Windows Security, (Alternative Eset)
I finally got it through. :eek1::cool:

As a precaution re-downloaded the 1st patch and replied to mounted ISO, and it worked, WTH?
Repeated this for 2nd patch - Operation Successful again.
I decided to "add package" to my running Win 11 PC, and as precaution I uninstalled BitDefender AV, and stopped most autostart applications.
Restart PC, and run below two commands (in Admin terminal), reboot and it worked. :D

Code: 
DISM /Online /Add-Package /PackagePath:"G:\ISO_WIN11\UPDATE_6899\1\windows11.0-kb5043080-x64_953449672073f8fb99badb4cc6d5d7849b9c83e8.msu"

DISM /Online /Add-Package /PackagePath:"G:\ISO_WIN11\UPDATE_6899\2\windows11.0-kb5066835-x64_2f193bc50987a9c27e42eceeb90648af19cc813a.msu"

The update process was a bit different, much faster than in Windows Update and there were two steps during boot up, 1 - install, 2- configure, took a few minutes. I ran SFC and DISM now, just in case, all seems to be good.

Packages get from here: Microsoft Update Catalog


1760627597956.webp
 

My Computer

System One

  • OS
    Windows 11
I have to wonder if MSC is reacting to all the failures with this update? Oddly, this was one of the smoother updates for me, three systems, no issues at all.
 

My Computers

System One System Two

  • OS
    Win 11 Pro 25H2, Build 26200.8524
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Brew
    CPU
    Intel Core i5 14500
    Motherboard
    Gigabyte B760M G P WIFI
    Memory
    64GB DDR4
    Graphics Card(s)
    GeForce RTX 4060
    Sound Card
    Chipset Realtek
    Monitor(s) Displays
    LG 45" Ultragear, Acer 24" 1080p
    Screen Resolution
    5120x1440, 1920x1080
    Hard Drives
    Crucial P310 2TB 2280 PCIe Gen4 3D NAND NVMe M.2 SSD (O/S)
    Silicon Power 2TB US75 NVMe PCIe Gen4 M.2 2280 SSD (backup)
    Crucial BX500 2TB 3D NAND (2nd backup)
    Seagate 4TB Ironwolf, rotating HDD archive files
    External off-line backup Drives: 2 NVMe 4TB drives in external enclosures
    PSU
    Thermaltake Toughpower GF3 750W
    Case
    LIAN LI LANCOOL 216 E-ATX PC Case
    Cooling
    Lots of fans!
    Keyboard
    Microsoft Comfort Curve 2000
    Mouse
    Logitech G305
    Internet Speed
    Verizon FiOS 1GB
    Browser
    Firefox
    Antivirus
    Malware Bytes & Windows Defender Security
  • Operating System
    Win 11 Pro 25H2, Build 26200.8524
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Brew
    CPU
    Intel Core i5 14400
    Motherboard
    Gigabyte B760M DS3H AX
    Memory
    32GB DDR5
    Graphics card(s)
    Intel 700 Embedded GPU
    Sound Card
    Realtek Embedded
    Monitor(s) Displays
    27" HP 1080p
    Screen Resolution
    1920x1080
    Hard Drives
    Crucial P310 2TB 2280 PCIe Gen4 eD NAND PCIe SSD
    Samsung EVO 990 2TB NVMe Gen4 SSD
    Samsung 2TB SATA SSD
    PSU
    Thermaltake Smart BM3 650W
    Case
    Okinos Micro ATX Case
    Cooling
    Fans
    Keyboard
    Microsoft Comfort Curve 2000
    Mouse
    Logitech G305
    Internet Speed
    Verizon FiOS 1GB
    Browser
    Firefox
    Antivirus
    Malware Bytes & Windows Defender Security
For me, after updating to KB5066835 it broke the "Advanced Startup" option. After choosing this option and getting to the screen below, I cannot select any option. It is like it gets frozen or the keyboard and mouse stops working.
1760629818187.webp
 

My Computer

System One

  • OS
    Windows 11 Home
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 7 7700
    Motherboard
    ASUS TUF GAMING B650M-PLUS WIFI
    Memory
    Kingstone Fury 4x8 32GB DDR5 6000MT/s
    Graphics Card(s)
    XFX SPEEDSTER MERC 310 AMD Radeon™ RX 7900 XT
    Screen Resolution
    2k
    Hard Drives
    Samsung SSD 990 PRO
    SAMSUNG MZVLQ512HBLU-00B
    PSU
    CORSAIR RM750e
    Case
    LIAN LI & DAN A3-mATX
Anaksy said:
For me, after updating to KB5066835 it broke the "Advanced Startup" option. After choosing this option and getting to the screen below, I cannot select any option. It is like it gets frozen or the keyboard and mouse stops working.
View attachment 149266
Click to expand...
I saw that mentioned by someone else, so you're not alone. Truthfully, I haven't even tried that option, so they may have broken that for lots of people.
 

My Computers

System One System Two

  • OS
    Win 11 Pro 25H2, Build 26200.8524
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Brew
    CPU
    Intel Core i5 14500
    Motherboard
    Gigabyte B760M G P WIFI
    Memory
    64GB DDR4
    Graphics Card(s)
    GeForce RTX 4060
    Sound Card
    Chipset Realtek
    Monitor(s) Displays
    LG 45" Ultragear, Acer 24" 1080p
    Screen Resolution
    5120x1440, 1920x1080
    Hard Drives
    Crucial P310 2TB 2280 PCIe Gen4 3D NAND NVMe M.2 SSD (O/S)
    Silicon Power 2TB US75 NVMe PCIe Gen4 M.2 2280 SSD (backup)
    Crucial BX500 2TB 3D NAND (2nd backup)
    Seagate 4TB Ironwolf, rotating HDD archive files
    External off-line backup Drives: 2 NVMe 4TB drives in external enclosures
    PSU
    Thermaltake Toughpower GF3 750W
    Case
    LIAN LI LANCOOL 216 E-ATX PC Case
    Cooling
    Lots of fans!
    Keyboard
    Microsoft Comfort Curve 2000
    Mouse
    Logitech G305
    Internet Speed
    Verizon FiOS 1GB
    Browser
    Firefox
    Antivirus
    Malware Bytes & Windows Defender Security
  • Operating System
    Win 11 Pro 25H2, Build 26200.8524
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Brew
    CPU
    Intel Core i5 14400
    Motherboard
    Gigabyte B760M DS3H AX
    Memory
    32GB DDR5
    Graphics card(s)
    Intel 700 Embedded GPU
    Sound Card
    Realtek Embedded
    Monitor(s) Displays
    27" HP 1080p
    Screen Resolution
    1920x1080
    Hard Drives
    Crucial P310 2TB 2280 PCIe Gen4 eD NAND PCIe SSD
    Samsung EVO 990 2TB NVMe Gen4 SSD
    Samsung 2TB SATA SSD
    PSU
    Thermaltake Smart BM3 650W
    Case
    Okinos Micro ATX Case
    Cooling
    Fans
    Keyboard
    Microsoft Comfort Curve 2000
    Mouse
    Logitech G305
    Internet Speed
    Verizon FiOS 1GB
    Browser
    Firefox
    Antivirus
    Malware Bytes & Windows Defender Security
gunrunnerjohn said:
I saw that mentioned by someone else, so you're not alone. Truthfully, I haven't even tried that option, so they may have broken that for lots of people.
Click to expand...
Thanks!
It is "less bad" to know I am not alone.
 

My Computer

System One

  • OS
    Windows 11 Home
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 7 7700
    Motherboard
    ASUS TUF GAMING B650M-PLUS WIFI
    Memory
    Kingstone Fury 4x8 32GB DDR5 6000MT/s
    Graphics Card(s)
    XFX SPEEDSTER MERC 310 AMD Radeon™ RX 7900 XT
    Screen Resolution
    2k
    Hard Drives
    Samsung SSD 990 PRO
    SAMSUNG MZVLQ512HBLU-00B
    PSU
    CORSAIR RM750e
    Case
    LIAN LI & DAN A3-mATX

My Computers

System One System Two

  • OS
    Windows 11 Pro 25H2 26200.8457
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Tower Plus EBT2250, DOB: 06/15/2025
    CPU
    Intel® Core™ Ultra 7 265 1.8GHz to 5.3GHz (Arrow Lake)
    Motherboard
    Dell Inc. 02D3NT A00 (U3E1)
    Memory
    SK Hynix 32GB DDR5 5600 Desktop RAM UDIMM Non-ECC PC5-5600B
    Graphics Card(s)
    Dell NVIDIA® GeForce RTX™ 4060 8GB GDDR6 & (iGPU) Integrated Intel® UHD Graphics
    Sound Card
    Chipset Realtek High-Definition Audio with Dolby Atmos
    Monitor(s) Displays
    Dell Ultra Sharp U2515H 25-Inch Screen LED-Lit
    Screen Resolution
    2560 X 1440
    Hard Drives
    Samsung (NVMe PM9C1a 1024GB) M.2 PCIe NVMe Solid State Drive (OS), with Samsung Piccolo (S4LY022) 6-Core 4 Channel Controller.

    Samsung T7 500GB SSD, USB-C External Drive
    PSU
    Dell 460W
    Case
    Dell Tower Plus EBT 2250
    Cooling
    Fan
    Keyboard
    Dell Wired Keyboard - KB216
    Mouse
    Logitech M510
    Internet Speed
    Intel Killer E3100G 2.5 Gigabit Ethernet Controller
    Browser
    Microsoft Edge
    Antivirus
    Microsoft Windows Security
    Other Info
    The Samsung NVMe PM9C1a 1024GB SSD does not use a Phison NAND controller. Instead, it uses Samsung's in-house developed Piccolo (S4LY022) 6-Core 4 Channel Controller. The PM9C1a utilizes a controller built using Samsung's 5-nanometer process and seventh-generation V-NAND technology. 🤔
  • Operating System
    Windows 11 Pro 25H2 26200.8457
    Computer type
    Laptop
    Manufacturer/Model
    Dell Inspiron 15 7000 (7591) 2-in-1, DOB: 11/30/2019
    CPU
    10th Generation Intel Core i7-10510U Processor (8MB Cache, up to 4.9 GHz) Comet Lake
    Motherboard
    Dell 0NNW5N
    Memory
    16GB DDR4 RAM
    Graphics card(s)
    NVIDIA® GeForce® MX250 with 2GB GDDR5 graphics memory
    Sound Card
    Chipset Realtek ALC3254 🤔🤣
    Monitor(s) Displays
    Dell 15.6-inch UHD Truelife Touch Narrow Border WVA Display with Active Pen support
    Screen Resolution
    3840 x 2160
    Hard Drives
    Intel NVME 512GB SSD with 32GB Intel Optane Memory, M.2 80mm PCIe 3.0 RAID

    SanDisk 256GB Extreme microSDXC UHS-I Memory Card
    PSU
    Dell 4-Cell Battery, 68 Whr (Integrated), 90 Watt AC Adapter
    Case
    Dell Inspiron 15 7000 2-in-1 (7591)
    Cooling
    Standard Dell Case Fan & Havit HV-F2056 USB Powered (3 Fans) Laptop Cooling Pad.
    Keyboard
    Dell
    Mouse
    Logitech Wireless Mouse M650L
    Internet Speed
    Wireless/Wired connectivity (WiFi 6 - 802.11 ax)
    Browser
    Microsoft Edge
    Antivirus
    Microsoft Windows Security
    Other Info
    From Dell: 512GB NVME Solid State Drive accelerated by 32GB Intel Optane Memory are the fastest as compared to NAND SSDs. Intel Optane H10 with SSD offers speedy storage and accelerates opening your programs.
Sigh...how quickly people seem to forget that this thread surrounds beta versions of the Insider editions, not the commercial releases that the majority of Windows users are running. If encountering occasional bugs is not your cup of tea, I'd suggest dropping out of the Insider's and installing bog-standard commercial versions, which update just once or twice per year, usually.
 

My Computer

System One

  • OS
    Win11 Release Beta channel
    Computer type
    PC/Desktop
    Manufacturer/Model
    a cherry-picked assembly
    CPU
    AMD R7 7800X3D
    Motherboard
    MSI x870 Tomahawk Wi-Fi, 8-layer, 2 oz copper, server PCB
    Memory
    GSkill 2x16GB @ 6400MT/s
    Graphics Card(s)
    XFX 9070 XT SWIFT tri-fan (PCIe5.0)
    Sound Card
    Creative Labs G8 USB External Sound device, Gaming DAC, Sound Card & Earphone AMP.. HIGHLY RECOMMENDED, btw. Totally changed my opinion of external USB sound. I like!...;)
    Monitor(s) Displays
    Philips 43" Momentum DisplayHDR 1000-certified
    Screen Resolution
    3840x2160
    Hard Drives
    *Boot: Samsung 980 Pro 2 TB NVMe (PCIe4x4)
    *Samsung 980 EVO NVMe 500GB (PCIe 4x4)
    *Kingston SNV3S2000G 2TB NVMe (PCIe4x4)
    *Samsung 960 EVO 250GB NVMe(PCIe3x2)
    *8TB Toshiba x300 HDD
    *ST4000DM004 S3 4TB HDD
    PSU
    Gigabyte 850W Gold, Rev 2
    Case
    Lian Li Lancool 217, white, with wood trim, very nice looking--tired of black, 5-fans standard
    Cooling
    Air coutesy Lian Li
    Keyboard
    Cherry MX 2.0S RGB
    Mouse
    Razer Basilisk V3 24k DPI
    Internet Speed
    ~950Mbps down and up!
    Browser
    Firefox x64 DE
    Antivirus
    Defender
    Other Info
    Great New system. Exceeds my expectations by quite a bit, btw. I love the USB G8 SoundBlaster, it's quite an improvement over the G6!
Like others, I was not offered 25H2 after Patch Tuesday. I was still waiting today when I decided to try the Specify Target Feature Update Version Group Policy Tutorial by @Brink . See the Tutorial here: Specify Target Feature Update Version in Windows 11

I did not even have to reboot. I just did a Windows Update Check and the Feature Update appeared. It installed very quickly. Then I went back into the Group Policy Editor and disabled the policy, as recommended.

Thank you, @Brink!

Have a great day.

Regards,
Phil
 

My Computers

System One System Two

  • OS
    Windows 11 Pro Version 25H2 (Build 26200.8457
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell XPS8930 SE
    CPU
    Intel i7-9700K 4700 MHz
    Motherboard
    Dell XPS 8930
    Memory
    32 GB (4 x 8GB SK Hynix DDR4 @1333 MHz) (2666 MHz)
    Graphics Card(s)
    NVIDIA GeForce RTX 2060 (6 GB) GDDR6 300 MHz
    Sound Card
    None
    Monitor(s) Displays
    Dell UltraSharp U2518D 25"
    Screen Resolution
    2560 x 1440
    Hard Drives
    NVMe Intel 1024 TB
    Seagate 2 TB, SATA-III
    Western Digital Black 4TB
    PSU
    850 W Gold Standard
    Case
    Dell XPS 8930 Base (Special Edition)
    Cooling
    Air
    Keyboard
    Dell 0G4D2W
    Mouse
    Dell MOCZUL
    Internet Speed
    Download 553 Mbps, Upload 686 Mbps
    Browser
    Google Chrome
    Antivirus
    ESET Smart Security Premium, plus Malwarebytes Premium
    Other Info
    BIOS Version 1.1.31
  • Operating System
    Windows 11 Pro Version 25H2 (Build 26200.8457)
    Computer type
    Laptop
    Manufacturer/Model
    Dell XPS 15 7590
    CPU
    i7-9750H 4.5 GHz
    Motherboard
    Dell XPS 15 7590
    Memory
    16 GB (2 x 8GB @ 1333 MHz) DDR4-2666 MHz
    Graphics card(s)
    NVIDIA GeForce 1650 4 GB GDDR5
    Sound Card
    None
    Monitor(s) Displays
    Dell XPS 15 7590, 15.6" InfinityEdge Anti-Glare, Non-Touch
    Screen Resolution
    1920 x 1080
    Hard Drives
    512 GB M.2 PCle NVMe SK Hynix
    PSU
    130W Power Adapter
    Case
    Dell XPS 15 7590
    Cooling
    Air
    Keyboard
    Laptop
    Mouse
    Logitech M510
    Internet Speed
    Download: 400 Mbps, Upload: 203 Mbps
    Browser
    Google Chrome
    Antivirus
    ESET Smart Security Premium, plus Malwarebytes Premium
    Other Info
    BIOS Version 1.35.0
waltc said:
Sigh...how quickly people seem to forget that this thread surrounds beta versions of the Insider editions, not the commercial releases that the majority of Windows users are running. If encountering occasional bugs is not your cup of tea, I'd suggest dropping out of the Insider's and installing bog-standard commercial versions, which update just once or twice per year, usually.
Click to expand...

KB5066835 Windows 11 Cumulative Update build 26100.6899 (24H2) and 26200.6899 (25H2) - Oct. 14​


This thread is about a ready-to-go ordinary-computer-user Cumulative Update, not a Beta or Insider edition.
 

My Computers

System One System Two

  • OS
    Windows 11 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Tower Plus EBT2250
    CPU
    Intel Core Ultra 7 265
    Memory
    32GB
    Graphics Card(s)
    NVIDIA GeForce RTX 3050 6GB
    Monitor(s) Displays
    2x Dell U2419H
    Hard Drives
    NVMe Phison 521GB SSD
    Seagate 2TB HDD
    (Dell installed them RAID enabled using Intel VMD)
  • Operating System
    Windows 11 25H2
    Computer type
    Laptop
    Manufacturer/Model
    HP
    CPU
    Intel Core i5-1334U
    Motherboard
    HP 8DD7 - Intel Alder Lake-P PCH
    Memory
    8 GB
    Graphics card(s)
    Intel Raptor Lake-U - Integrated Graphics
    Hard Drives
    512 GB
waltc said:
Sigh...how quickly people seem to forget that this thread surrounds beta versions of the Insider editions, not the commercial releases that the majority of Windows users are running. If encountering occasional bugs is not your cup of tea, I'd suggest dropping out of the Insider's and installing bog-standard commercial versions, which update just once or twice per year, usually.
Click to expand...
Maybe you should check again. This is the released version. The reason we forgot was because it was never true! I applied this to three computers, NONE of them are in the Insider program!
 

My Computers

System One System Two

  • OS
    Win 11 Pro 25H2, Build 26200.8524
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Brew
    CPU
    Intel Core i5 14500
    Motherboard
    Gigabyte B760M G P WIFI
    Memory
    64GB DDR4
    Graphics Card(s)
    GeForce RTX 4060
    Sound Card
    Chipset Realtek
    Monitor(s) Displays
    LG 45" Ultragear, Acer 24" 1080p
    Screen Resolution
    5120x1440, 1920x1080
    Hard Drives
    Crucial P310 2TB 2280 PCIe Gen4 3D NAND NVMe M.2 SSD (O/S)
    Silicon Power 2TB US75 NVMe PCIe Gen4 M.2 2280 SSD (backup)
    Crucial BX500 2TB 3D NAND (2nd backup)
    Seagate 4TB Ironwolf, rotating HDD archive files
    External off-line backup Drives: 2 NVMe 4TB drives in external enclosures
    PSU
    Thermaltake Toughpower GF3 750W
    Case
    LIAN LI LANCOOL 216 E-ATX PC Case
    Cooling
    Lots of fans!
    Keyboard
    Microsoft Comfort Curve 2000
    Mouse
    Logitech G305
    Internet Speed
    Verizon FiOS 1GB
    Browser
    Firefox
    Antivirus
    Malware Bytes & Windows Defender Security
  • Operating System
    Win 11 Pro 25H2, Build 26200.8524
    Computer type
    PC/Desktop
    Manufacturer/Model
    Home Brew
    CPU
    Intel Core i5 14400
    Motherboard
    Gigabyte B760M DS3H AX
    Memory
    32GB DDR5
    Graphics card(s)
    Intel 700 Embedded GPU
    Sound Card
    Realtek Embedded
    Monitor(s) Displays
    27" HP 1080p
    Screen Resolution
    1920x1080
    Hard Drives
    Crucial P310 2TB 2280 PCIe Gen4 eD NAND PCIe SSD
    Samsung EVO 990 2TB NVMe Gen4 SSD
    Samsung 2TB SATA SSD
    PSU
    Thermaltake Smart BM3 650W
    Case
    Okinos Micro ATX Case
    Cooling
    Fans
    Keyboard
    Microsoft Comfort Curve 2000
    Mouse
    Logitech G305
    Internet Speed
    Verizon FiOS 1GB
    Browser
    Firefox
    Antivirus
    Malware Bytes & Windows Defender Security
gunrunnerjohn said:
Maybe you should check again. This is the released version. The reason we forgot was because it was never true! I applied this to three computers, NONE of them are in the Insider program!
Click to expand...

You are correct.

From Page 1...

Screenshot 2025-10-16 124007.webp
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 25H2 26200.8457
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Tower Plus EBT2250, DOB: 06/15/2025
    CPU
    Intel® Core™ Ultra 7 265 1.8GHz to 5.3GHz (Arrow Lake)
    Motherboard
    Dell Inc. 02D3NT A00 (U3E1)
    Memory
    SK Hynix 32GB DDR5 5600 Desktop RAM UDIMM Non-ECC PC5-5600B
    Graphics Card(s)
    Dell NVIDIA® GeForce RTX™ 4060 8GB GDDR6 & (iGPU) Integrated Intel® UHD Graphics
    Sound Card
    Chipset Realtek High-Definition Audio with Dolby Atmos
    Monitor(s) Displays
    Dell Ultra Sharp U2515H 25-Inch Screen LED-Lit
    Screen Resolution
    2560 X 1440
    Hard Drives
    Samsung (NVMe PM9C1a 1024GB) M.2 PCIe NVMe Solid State Drive (OS), with Samsung Piccolo (S4LY022) 6-Core 4 Channel Controller.

    Samsung T7 500GB SSD, USB-C External Drive
    PSU
    Dell 460W
    Case
    Dell Tower Plus EBT 2250
    Cooling
    Fan
    Keyboard
    Dell Wired Keyboard - KB216
    Mouse
    Logitech M510
    Internet Speed
    Intel Killer E3100G 2.5 Gigabit Ethernet Controller
    Browser
    Microsoft Edge
    Antivirus
    Microsoft Windows Security
    Other Info
    The Samsung NVMe PM9C1a 1024GB SSD does not use a Phison NAND controller. Instead, it uses Samsung's in-house developed Piccolo (S4LY022) 6-Core 4 Channel Controller. The PM9C1a utilizes a controller built using Samsung's 5-nanometer process and seventh-generation V-NAND technology. 🤔
  • Operating System
    Windows 11 Pro 25H2 26200.8457
    Computer type
    Laptop
    Manufacturer/Model
    Dell Inspiron 15 7000 (7591) 2-in-1, DOB: 11/30/2019
    CPU
    10th Generation Intel Core i7-10510U Processor (8MB Cache, up to 4.9 GHz) Comet Lake
    Motherboard
    Dell 0NNW5N
    Memory
    16GB DDR4 RAM
    Graphics card(s)
    NVIDIA® GeForce® MX250 with 2GB GDDR5 graphics memory
    Sound Card
    Chipset Realtek ALC3254 🤔🤣
    Monitor(s) Displays
    Dell 15.6-inch UHD Truelife Touch Narrow Border WVA Display with Active Pen support
    Screen Resolution
    3840 x 2160
    Hard Drives
    Intel NVME 512GB SSD with 32GB Intel Optane Memory, M.2 80mm PCIe 3.0 RAID

    SanDisk 256GB Extreme microSDXC UHS-I Memory Card
    PSU
    Dell 4-Cell Battery, 68 Whr (Integrated), 90 Watt AC Adapter
    Case
    Dell Inspiron 15 7000 2-in-1 (7591)
    Cooling
    Standard Dell Case Fan & Havit HV-F2056 USB Powered (3 Fans) Laptop Cooling Pad.
    Keyboard
    Dell
    Mouse
    Logitech Wireless Mouse M650L
    Internet Speed
    Wireless/Wired connectivity (WiFi 6 - 802.11 ax)
    Browser
    Microsoft Edge
    Antivirus
    Microsoft Windows Security
    Other Info
    From Dell: 512GB NVME Solid State Drive accelerated by 32GB Intel Optane Memory are the fastest as compared to NAND SSDs. Intel Optane H10 with SSD offers speedy storage and accelerates opening your programs.
Anaksy said:
For me, after updating to KB5066835 it broke the "Advanced Startup" option. After choosing this option and getting to the screen below, I cannot select any option. It is like it gets frozen or the keyboard and mouse stops working.
View attachment 149266
Click to expand...
I've had the same issue. Solved it by restoring a pre-update version of the recovery partition.
 

My Computer

System One

  • OS
    Windows 11
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