26300/26340 Unable to install any update


P

PNep

New member
Local time
10:00 PM
Posts
11
OS
Win 11
Hello to all.

I have a very peculiar situation.
On an unsupported machine (Core i5-4460, 12GB RAM, no SecureBoot), running 26300.8553, I am unable to install any updates past that.
Up till the 26300.8553 all the updates installed just fine.

I have tried several updates post 26300.8553 and all updates of the 26340 build.
I have tried with msu directly, or with dism, and with several ISOs, either official or from UUP.

All ended with errors and failure to install.
I have tried several times to perform an in-place upgrade through any official or unofficial ISO, either through File Explorer or with
Code: 
setup.exe /auto upgrade /dynamicupdate disable /copylogs C:\SetupLogs

The latest official ISO 26340.9482 gets even worse.
The setup.exe starts for maybe 1 second and fails silently, there is no window or error.

I have tried .msu and .cab files, either directly or with
Code: 
dism /online /add-package

I have run several times all of these and have restarted multiple times
Code: 
start /B /wait chkdsk /scan
start /B /wait dism /Online /Cleanup-Image /AnalyzeComponentStore
start /B /wait dism /Online /Cleanup-Image /CheckHealth
start /B /wait dism /Online /Cleanup-Image /ScanHealth
start /B /wait dism /Online /Cleanup-Image /RestoreHealth
start /B /wait dism /Online /Cleanup-Image /SPSuperseded
start /B /wait sfc /scannow
start /B /wait dism /online /Cleanup-Image /Startcomponentcleanup /resetbase

I should also point out that I have also run the .bat file to Reset_Reregister_Windows_Update_Components_for_Windows11 from @Brink with no results.
Reset Windows Update in Windows 11

Any ideas?
Thanks in advance.
 
Last edited:

My Computer My Computer

At a glance

Win 11
OS
Win 11
I had a similar situation. I was in Windows 11 25H2 26200.9168 and could not update to a newer build. I run the following commands:
Code: 
Dism.exe/online /Cleanup-Image /StartComponentCleanup
sfc /scannow
Dism/Online /Cleanup-Image /RestoreHealth
sfc /scannow
I then stopped certain services, renamed the folders where the updates are downloaded, enabled the services again and restarted. I used these commands:
Code: 
net stop wuauserv
net stop cryptsvc
net stop bits
net stop msiserver
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old
net start wuauserv
net start cryptsvc
net start bits
net start msiserver

Then I restarted and searched for updates again. This time I could install build 26200.9445 successfully and any other updates. My computer is also unsupported (2nd system specs).

PS: After you stop the services open Task Manager and go to the Services tab. Verify that they have stopped before attempting to rename the folders. If a service is running click on it and click the Stop button to stop it.
 
Last edited:

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 23H2 (7582), 25H2 (9445)Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz4GBMobile Intel(R) GMA 4500M (Mobile 4 series)
    OS
    Windows 11 Pro 23H2 (7582), 25H2 (9445)
    Computer type
    Laptop
    Manufacturer/Model
    Acer Extensa 5630EZ
    CPU
    Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz
    Motherboard
    Acer Extensa 5630
    Memory
    4GB
    Graphics Card(s)
    Mobile Intel(R) GMA 4500M (Mobile 4 series)
    Sound Card
    Realtek ALC268 @ Intel 82801IB ICH9 - High Definition Audio Controller
    Monitor(s) Displays
    1
    Screen Resolution
    1280x800
    Hard Drives
    Samsung SSD 850 EVO 250GB SATA Device (250 GB, SATA-III)
    Internet Speed
    802.11g wireless 54 Mbps
    Browser
    MICROSOFT EDGE
    Antivirus
    WINDOWS DEFENDER
    Other Info
    Legacy MBR installation, no TPM, no Secure Boot, no WDDM 2.0 graphics drivers, no SSE4.2, cannot get more unsupported ;) This is only my test laptop. I had installed Windows 11 here before upgrading my main PC. For my main PC I use everyday see my 2nd system specs.

  • At a glance

    Windows 11 Pro v25H2 (build 26200.9445)Intel Core-i7 3770 3.40GHz s1155 (3rd generat...2x Kingston Hyper-X Blu 8GB DDR3-1600GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB...
    Operating System
    Windows 11 Pro v25H2 (build 26200.9445)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom-built PC
    CPU
    Intel Core-i7 3770 3.40GHz s1155 (3rd generation)
    Motherboard
    Asus P8H61 s1155 ATX
    Memory
    2x Kingston Hyper-X Blu 8GB DDR3-1600
    Graphics card(s)
    GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB (GV-N3050WF2OCV2-6GD)
    Sound Card
    Realtek HD audio (ALC887)
    Monitor(s) Displays
    Sony Bravia KDL-19L4000 19" LCD TV via VGA
    Screen Resolution
    1440x900 32-bit 60Hz
    Hard Drives
    WD Blue SA510 2.5 1000GB SSD as system disk, Western Digital Caviar Purple 4TB SATA III (WD40PURZ) as second
    PSU
    Thermaltake Litepower RGB 550W Full Wired
    Case
    SUPERCASE MIDI-TOWER
    Cooling
    Deepcool Gamma Archer CPU cooler, 1x 8cm fan at the back
    Keyboard
    Mitsumi 101-key PS/2
    Mouse
    Microsoft Compact Optical Mouse
    Internet Speed
    802.11ac 5GHz wireless 260Mpbs
    Browser
    Microsoft Edge, Mozilla Firefox
    Antivirus
    Microsoft Windows Defender
    Other Info
    Legacy BIOS (MBR) installation, no TPM, no Secure Boot, WDDM 3.0 graphics drivers, WEI score 7.4
Nope, no luck.

Trying to update with dism fails like before.

Trying to update through windows update fail like before with error
Code: 
Download error - 0x80070002
 

My Computer My Computer

At a glance

Win 11
OS
Win 11
PNep said:
Hello to all.

I have a very peculiar situation.
On an unsupported machine (Core i5-4460, 12GB RAM, no SecureBoot), running 26300.8553, I am unable to install any updates past that.
Up till the 26300.8553 all the updates installed just fine.....
Click to expand...
Well it's not because it's an unsupported device. My System Two is unsupported, but had no problem going beyond 26300.8553.

1789322158367.webp

PNep said:
I have tried several times to perform an in-place upgrade through any official or unofficial ISO, either through File Explorer or with
Code: 
setup.exe /auto upgrade /dynamicupdate disable /copylogs C:\SetupLogs

The latest official ISO 26340.9482 gets even worse.
The setup.exe starts for maybe 1 second and fails silently, there is no window or error....
Click to expand...
An in-place upgrade will fail on an unsupported device unless you take steps to bypass the system checks. I use the registry commands from Option Three in this tutorial.

www.elevenforum.com

Bypass Windows 11 System Requirements on Unsupported PC

This tutorial will show you how to bypass the Windows 11 CPU, RAM, Secure Boot, and TPM 2.0 system requirements allowing you to clean install or upgrade to Windows 11 on a unsupported PC that doesn't meet these requirements. Installing Windows 11 on a device that does not meet Windows 11...
www.elevenforum.com www.elevenforum.com

I have put them in a .bat file on my desktop and run it as an administrator before an upgrade, most recently for the 26340 Feature Update through Windows Update.

1789322671188.webp
 

My Computers My Computers

System One System Two Other systems

  • At a glance

    Windows 11 HomeAMD Athlon Silver 3050U8GBRadeon Graphics
    OS
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Acer Aspire 3 A315-23-R9VY
    CPU
    AMD Athlon Silver 3050U
    Memory
    8GB
    Graphics Card(s)
    Radeon Graphics
    Monitor(s) Displays
    laptop screen
    Screen Resolution
    1366x768 native resolution, up to 2560x1440 with Radeon Virtual Super Resolution
    Hard Drives
    1TB Samsung EVO 870 SSD (from April 2026: 250GB EVO 850)
    Internet Speed
    150 Mbps
    Browser
    Edge, Firefox
    Antivirus
    Defender
    Other Info
    UPDATE - 11 April 2026: due to lid hinges starting to break up this laptop has been retired from active duty. The OS with all software and files has been migrated to my System Seven in 'Other systems' to carry on as my general purpose 'main machine'.

    I've now clean installed 25H2 and used Garlin's scripts to update Secure Boot to CA 2023 and revoke the PCA 2011 certificates. It's new role is to test secure boot issues.

    Info for 2021-2026:
    fully 'Windows 11 ready' laptop. Windows 10 C: partition migrated from my old unsupported 'main machine' then upgraded to 11. A test migration ran Insider builds for 2 months. When 11 was released on 5th October 2021 it was re-imaged back to 10 and was offered the upgrade in Windows Update on 20th October. Windows Update offered the 22H2 Feature Update on 20th September 2022. It got the 23H2 Feature Update on 4th November 2023 through Windows Update, 24H2 on 3rd October 2024 through Windows Update by setting the Target Release Version for 24H2, and 25H2 on 30th September 2025 through Windows Update by setting the Target Release Version for 25H2.

  • At a glance

    Windows 11 ProIntel® Core™ i5-520M8GB(integrated graphics) Intel HD Graphics
    Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Latitude E4310
    CPU
    Intel® Core™ i5-520M
    Motherboard
    0T6M8G
    Memory
    8GB
    Graphics card(s)
    (integrated graphics) Intel HD Graphics
    Screen Resolution
    1366x768
    Hard Drives
    500GB Crucial MX500 SSD
    Browser
    Firefox, Edge
    Antivirus
    Defender
    Other Info
    unsupported machine: Legacy bios, MBR, TPM 1.2, upgraded from W10 to W11 using W10/W11 hybrid install media workaround.

    In-place upgrade to 22H2 using ISO and a workaround.
    Feature Update to 23H2 by manually installing the Enablement Package.
    In-place upgrade to 24H2 using hybrid 23H2/24H2 install media.
    Upgraded to 25H2 by Enablement Package.

    Also running Insider Experimental 263xx and 29xxx builds and Windows 10 as native boot .vhdx.
  • My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR was a 2-in-1 convertible Lenovo Yoga 11e (1st gen) type 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device. This has now been sold. It has been replaced by my System Eight.

    My SYSTEM FIVE is a Dell Latitude 3190 2-in-1, Pentium Silver N5030, 8GB RAM, 1TB NVMe ssd, supported device running Windows 11 Pro, plus Insider Beta, Experimental 263xx and 29xxx builds (and a few others) as a native boot .vhdx.

    My SYSTEM SIX is a Dell Latitude 5550, Core Ultra 7 165H, 64GB RAM, 1TB NVMe SSD, supported device, Windows 11 Pro, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, 1920x1080 touchscreen, Intel Core i7-8650U, 16GB RAM, 512GB NVMe SSD + 2nd 512GB NVMe SSD, a supported device for Windows 11. This is my current general purpose 'main machine'. The installed Windows 11 Home from my System One has been migrated to this machine. As its new home has an existing digital licence for Pro I've been able to upgrade the migrated OS from Home to Pro.

    My SYSTEM EIGHT is a 2-in-1 convertible Lenovo Yoga 11e (5th gen) type 20LN, Celeron N4120, 8GB RAM, 512GB NVMe ssd, a supported device for Windows 11. Currently running Windows 11 Pro, plus Insider Beta, Experimental 263xx and 29xxx builds as native boot vhdx.
@Bree
Thanks for the suggestions.

Bree said:
An in-place upgrade will fail on an unsupported device unless you take steps to bypass the system checks. I use the registry commands from Option Three in this tutorial.
Click to expand...

Yes, I have also applied those reg entries.
Did that again just now.

The problem is the in-place upgrade does not seem to get at this point at all.
It barely even starts in the first place.
PNep said:
I have tried several times to perform an in-place upgrade through any official or unofficial ISO, either through File Explorer or with
Code: 
setup.exe /auto upgrade /dynamicupdate disable /copylogs C:\SetupLogs
The latest official ISO 26340.9482 gets even worse.
The setup.exe starts for maybe 1 second and fails silently, there is no window or error.
Click to expand...
 

My Computer My Computer

At a glance

Win 11
OS
Win 11
For an in-place upgrade/repair using the ISO you must run this command to bypass compatibility check:

D:\setup /product server /compat ignorewarning /migratedrivers all

Where D: is the drive letter of the virtual DVD when you mount the ISO. If it is different, replace as appropriate.
The /product server parameter tricks Setup it is about to install a Windows Server version for which skips compatibility check by default.
The /compat /ignorewarning parameter (optional) instructs Setup to ignore minor warnings and proceed without stopping the installation.
The /migratedrivers all parameter (optional) instructs Setup to leave your current drivers alone and don't attempt to upgrade them during installation.

Better disconnect from the internet during the upgrade to eliminate the risk of a hidden online compatibility check or Setup trying to install updates and fail during the upgrade. Yes, there is an option to not install updates but I don't trust it.

Other precautions to increase the chance of success:
- Disable any third-party antivirus/antimalware/firewall etc until restart or even permanently. You will be offline anyway, so there is no risk while upgrading.
- Disable all startup applications like updaters, browsers and others to avoid any conflicts.
- Disable any non-Microsoft service (advanced), leave them alone if unsure.
- Open Device Manager and disable any devices not necessary for the upgrade (sound, network, webcam, card reader etc) so Setup won't try to upgrade any drivers. If you have two or more GPT disks make sure you disable them (except the Windows disk of course). I have read in another thread that the upgrade fails with more than one GPT disk.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 23H2 (7582), 25H2 (9445)Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz4GBMobile Intel(R) GMA 4500M (Mobile 4 series)
    OS
    Windows 11 Pro 23H2 (7582), 25H2 (9445)
    Computer type
    Laptop
    Manufacturer/Model
    Acer Extensa 5630EZ
    CPU
    Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz
    Motherboard
    Acer Extensa 5630
    Memory
    4GB
    Graphics Card(s)
    Mobile Intel(R) GMA 4500M (Mobile 4 series)
    Sound Card
    Realtek ALC268 @ Intel 82801IB ICH9 - High Definition Audio Controller
    Monitor(s) Displays
    1
    Screen Resolution
    1280x800
    Hard Drives
    Samsung SSD 850 EVO 250GB SATA Device (250 GB, SATA-III)
    Internet Speed
    802.11g wireless 54 Mbps
    Browser
    MICROSOFT EDGE
    Antivirus
    WINDOWS DEFENDER
    Other Info
    Legacy MBR installation, no TPM, no Secure Boot, no WDDM 2.0 graphics drivers, no SSE4.2, cannot get more unsupported ;) This is only my test laptop. I had installed Windows 11 here before upgrading my main PC. For my main PC I use everyday see my 2nd system specs.

  • At a glance

    Windows 11 Pro v25H2 (build 26200.9445)Intel Core-i7 3770 3.40GHz s1155 (3rd generat...2x Kingston Hyper-X Blu 8GB DDR3-1600GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB...
    Operating System
    Windows 11 Pro v25H2 (build 26200.9445)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom-built PC
    CPU
    Intel Core-i7 3770 3.40GHz s1155 (3rd generation)
    Motherboard
    Asus P8H61 s1155 ATX
    Memory
    2x Kingston Hyper-X Blu 8GB DDR3-1600
    Graphics card(s)
    GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB (GV-N3050WF2OCV2-6GD)
    Sound Card
    Realtek HD audio (ALC887)
    Monitor(s) Displays
    Sony Bravia KDL-19L4000 19" LCD TV via VGA
    Screen Resolution
    1440x900 32-bit 60Hz
    Hard Drives
    WD Blue SA510 2.5 1000GB SSD as system disk, Western Digital Caviar Purple 4TB SATA III (WD40PURZ) as second
    PSU
    Thermaltake Litepower RGB 550W Full Wired
    Case
    SUPERCASE MIDI-TOWER
    Cooling
    Deepcool Gamma Archer CPU cooler, 1x 8cm fan at the back
    Keyboard
    Mitsumi 101-key PS/2
    Mouse
    Microsoft Compact Optical Mouse
    Internet Speed
    802.11ac 5GHz wireless 260Mpbs
    Browser
    Microsoft Edge, Mozilla Firefox
    Antivirus
    Microsoft Windows Defender
    Other Info
    Legacy BIOS (MBR) installation, no TPM, no Secure Boot, WDDM 3.0 graphics drivers, WEI score 7.4
I was installing updates in a virtual machine running Windows 11 25H2 when we had a power failure and the updates had missing files and could not resume. I did the procedure I described in post #2 and I could update to build 26200.9445.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 Pro 23H2 (7582), 25H2 (9445)Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz4GBMobile Intel(R) GMA 4500M (Mobile 4 series)
    OS
    Windows 11 Pro 23H2 (7582), 25H2 (9445)
    Computer type
    Laptop
    Manufacturer/Model
    Acer Extensa 5630EZ
    CPU
    Mobile DualCore Intel Core 2 Duo T7250, 2000 MHz
    Motherboard
    Acer Extensa 5630
    Memory
    4GB
    Graphics Card(s)
    Mobile Intel(R) GMA 4500M (Mobile 4 series)
    Sound Card
    Realtek ALC268 @ Intel 82801IB ICH9 - High Definition Audio Controller
    Monitor(s) Displays
    1
    Screen Resolution
    1280x800
    Hard Drives
    Samsung SSD 850 EVO 250GB SATA Device (250 GB, SATA-III)
    Internet Speed
    802.11g wireless 54 Mbps
    Browser
    MICROSOFT EDGE
    Antivirus
    WINDOWS DEFENDER
    Other Info
    Legacy MBR installation, no TPM, no Secure Boot, no WDDM 2.0 graphics drivers, no SSE4.2, cannot get more unsupported ;) This is only my test laptop. I had installed Windows 11 here before upgrading my main PC. For my main PC I use everyday see my 2nd system specs.

  • At a glance

    Windows 11 Pro v25H2 (build 26200.9445)Intel Core-i7 3770 3.40GHz s1155 (3rd generat...2x Kingston Hyper-X Blu 8GB DDR3-1600GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB...
    Operating System
    Windows 11 Pro v25H2 (build 26200.9445)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom-built PC
    CPU
    Intel Core-i7 3770 3.40GHz s1155 (3rd generation)
    Motherboard
    Asus P8H61 s1155 ATX
    Memory
    2x Kingston Hyper-X Blu 8GB DDR3-1600
    Graphics card(s)
    GIGABYTE GeForce RTX 3050 WINDFORCE OC V2 6GB (GV-N3050WF2OCV2-6GD)
    Sound Card
    Realtek HD audio (ALC887)
    Monitor(s) Displays
    Sony Bravia KDL-19L4000 19" LCD TV via VGA
    Screen Resolution
    1440x900 32-bit 60Hz
    Hard Drives
    WD Blue SA510 2.5 1000GB SSD as system disk, Western Digital Caviar Purple 4TB SATA III (WD40PURZ) as second
    PSU
    Thermaltake Litepower RGB 550W Full Wired
    Case
    SUPERCASE MIDI-TOWER
    Cooling
    Deepcool Gamma Archer CPU cooler, 1x 8cm fan at the back
    Keyboard
    Mitsumi 101-key PS/2
    Mouse
    Microsoft Compact Optical Mouse
    Internet Speed
    802.11ac 5GHz wireless 260Mpbs
    Browser
    Microsoft Edge, Mozilla Firefox
    Antivirus
    Microsoft Windows Defender
    Other Info
    Legacy BIOS (MBR) installation, no TPM, no Secure Boot, WDDM 3.0 graphics drivers, WEI score 7.4
Code: 
 dism /online /add-package /packagepath:"Windows11.0-KB5122055-x64_CheckPointUpdate_9e0f01624159b4ca5a1ae162e01f34f7835fc606.msu"
)
 Installing update: Windows11.0-KB5122055-x64_CheckPointUpdate_9e0f01624159b4ca5a1ae162e01f34f7835fc606.msu

Deployment Image Servicing and Management tool
Version: 10.0.26100.8553

Image Version: 10.0.26300.8553

Processing 1 of 1 - Expand
[==========================100.0%==========================]
[===========================73.0%==========                ]
An error occurred - Windows11.0-KB5122055-x64_CheckPointUpdate_9e0f01624159b4ca5a1ae162e01f34f7835fc606.msu Error: 0x800f081f

Error: 0x800f081f

DISM failed. No operation was performed.
For more information, review the log file.

The DISM log file can be found at C:\WINDOWS\Logs\DISM\dism.log

 dism /online /add-package /packagepath:"Windows11.0-KB5124114-x64_26340.9482_fe51e7f55497988fe3819df9125783e5cc5622e7.msu"
)
 Installing update: Windows11.0-KB5124114-x64_26340.9482_fe51e7f55497988fe3819df9125783e5cc5622e7.msu

Deployment Image Servicing and Management tool
Version: 10.0.26100.8553

Image Version: 10.0.26300.8553

Processing 1 of 1 - Expand
[==========================100.0%==========================]

An error occurred - Windows11.0-KB5124114-x64_26340.9482_fe51e7f55497988fe3819df9125783e5cc5622e7.msu Error: 0x800f081f

Error: 0x800f081f

DISM failed. No operation was performed.
For more information, review the log file.

The DISM log file can be found at C:\WINDOWS\Logs\DISM\dism.log
 

My Computer My Computer

At a glance

Win 11
OS
Win 11
spapakons said:
For an in-place upgrade/repair using the ISO you must run this command to bypass compatibility check:

D:\setup /product server /compat ignorewarning /migratedrivers all
Click to expand...

Will check and report back.
 

My Computer My Computer

At a glance

Win 11
OS
Win 11
spapakons said:
For an in-place upgrade/repair using the ISO you must run this command to bypass compatibility check:

D:\setup /product server /compat ignorewarning /migratedrivers all
Click to expand...

Nope, exactly the same as before.

No window, no error, the setup runs for half a second and nothing.
 

Attachments

My Computer My Computer

At a glance

Win 11
OS
Win 11
Worked for me...

Download the latest MCT (Media Creation Tool) ISO.


Disconnect ethernet cable.

Disconnect any removable drives.

Turn off Secure Boot in the BIOS.

Reboot

Mount the ISO.

Open an elevated Command prompt.

cd to the drive letter of the ISO (cd E: )

Run setup.exe /product server (no additional options)
 

My Computer My Computer

At a glance

Windows 11 Pro 25H2
OS
Windows 11 Pro 25H2
Computer type
Laptop
Manufacturer/Model
Toshiba
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