Insider KB5011563 Windows 11 Insider Beta and Release Preview Build 22000.588 - March 15


UPDATE 4/14:

Hello Windows Insiders, today we’re releasing Windows 11 Build 22000.588 (KB5011563) to Windows Insiders in the Beta and Release Preview Channels.

This update includes the following improvements:
  • New! We displayed up to three high priority toast notifications simultaneously. This feature is for apps that send notifications for calls, reminders, or alarms using Windows notifications in the OS. As a result, up to four toast notifications might appear simultaneously–three high priority notifications and one normal priority notification.
  • We fixed an issue that turns off auto-startup for Universal Windows Platform (UWP) apps after you upgrade the OS.
  • We fixed an issue that causes SystemSettings.exe to stop working.
  • We fixed an issue that affects searchindexer.exe and prevents Microsoft Outlook’s offline search from returning recent emails.
  • We fixed an issue that increases the startup time for Windows. This issue occurs because a UI thread in a networking API stops responding when a 5G wireless wide area network (WWAN) device is slow to wake up.
  • We fixed a memory leak in the wmipicmp.dll module that causes a lot of false alarms in the System Center Operations Manager (SCOM) datacenter monitoring system.
  • We fixed an issue that incorrectly returns the Execution Policy settings from the registry.
  • We fixed an issue in which modern browsers fail to correctly render HTML that is generated by gpresult/h.
  • We fixed an issue that causes an “Access denied” exception for a file during a PowerShell test for AppLocker.
  • We fixed an issue that causes the Remote Desktop Service (RDS)server to become unstable when the number of signed in users exceeds 100. This prevents you from accessing published applications using RDS on Windows Server 2019.
  • We fixed an issue that returns an error message when you browse for a domain or organizational unit (OU). This issue occurs because of improper zeroing out of memory.
  • We fixed an issue that causes the Group Policy Management Console to stop working after you close it. The system logs Application Error Event ID 1000 and the error, 0xc0000005 (STATUS_ACCESS_VIOLATION); the failing module is GPOAdmin.dll.
  • We fixed an issue that might cause the Group Policy Service to stop processing telemetry information for Group Policy Registry Preferences.
  • We fixed a stop error (0xD1, DRIVER_IRQL_NOT_LESS_OR_EQUAL) in the DirectX kernel component.
  • We fixed an issue that might cause Kerberos.dll to stop working within the Local Security Authority Subsystem Service (LSASS). This occurs when LSASS processes simultaneous Service for User (S4U) user-to-user (U2U) requests for the same client user.
  • We fixed an issue that affects the Key Distribution Center (KDC) Proxy. The KDC Proxy cannot properly obtain Kerberos tickets for signing in to Key Trust Windows Hello for Business.
  • We added support for Microsoft Account (MSA) Pass-through scenarios in Azure Active Directory(AAD) Web Account Manager (WAM).
  • We fixed an issue that logs Event ID 37 during certain password change scenarios, including failover cluster name object (CNO) or virtual computer object (VCO) password changes.
  • We fixed an issue that prevents the User Account Control (UAC) dialog from correctly showing the application that is requesting elevated privileges.
  • We fixed an issue that might cause a Microsoft OneDrive file to lose focus after you rename it and press the Enter key.
  • We returned the corresponding Settings page when you search for the word widgets.
  • We fixed an issue that prevents Event 4739 from displaying the new values of certain attributes after a policy change.
  • We fixed an issue that causes the Move-ADObject command to fail when you move computer accounts across domains. The error message is, “Multiple values were specified for an attribute that can have only one value”.
  • We fixed an issue that prevents you from accessing Server Message Block (SMB) shares using an IP Address when SMB hardening is enabled.
  • We fixed an issue that causes stop error 0x1E in the SMB Server (srv2.sys).
  • We fixed an issue that causes a mismatch between NetBIOS and DNS Active Directory domain names when you create a cluster.
Thanks,
Windows Insider Program Team


Source:

Check Windows Updates


UUP Dump:

64-bit ISO download:
Select language for Upgrade to Windows 11 (22000.588) amd64

ARM64 ISO download: Select language for Upgrade to Windows 11 (22000.588) arm64

 
Last edited:
I went to update to this version via Windows Update and upon reboot I got a BSOD (green) saying it couldn’t find my boot device or something like that, don’t remember… I couldn’t boot into Macrium either, so I had to factory reinstall Win10, it forced upgrade to Win11 (couldn’t stop it)… download Macrium and finally was able to get to my backup… it’s now on 5% and taking its sweet time. I’ve been at this for just shy of three hours already.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro β
    Computer type
    Laptop
    Manufacturer/Model
    HP Pavilion Laptop 15-eg0070wm
    CPU
    Intel® Core™ i7-1165G7
    Memory
    32 GB DDR4-3200 SDRAM
    Graphics Card(s)
    Intel® Iris® Xᵉ Graphics
    Screen Resolution
    1920x1080
    Hard Drives
    2TB PCIe® NVMe™ M.2 SSD
  • Operating System
    macOS Ventura
    Computer type
    PC/Desktop
    Manufacturer/Model
    Apple iMac 27" 5K (2017)
    CPU
    3.4 GHz Quad-Core Intel Core i5
    Memory
    40 GB 2400 MHz DDR4
    Graphics card(s)
    Radeon Pro 570 4 GB
    Monitor(s) Displays
    27" 5K, 34" UW
    Screen Resolution
    Mon 1: 5120 × 2880 Mon 2: 2560 x 1080
    Hard Drives
    32GB NVME, 1TB SSD
QUESTION:

If Microsoft knows so many problems exist in Windows-11, and has "fixes" for them, why put those fixes in the BETA version of Win-1ll? Why not make the Release/Stable version of Windows-11 sport these fixes also?

I thought by being in the BETA channel, I would get mostly NEW items, like we get in the EDGE insider channel.

Maybe I should change to the DEVELOPER channel for Windows-11, like I am with EDGE, in order to get enhancement and new features? Does Windows-11 Developer Channel get new enhancements and features, and is it relatively stable?? If so, I'll switch from Beta to Developer right now.

-Allen
 

My Computer

System One

  • OS
    Windows 11 64-bit
    Computer type
    Laptop
    Manufacturer/Model
    Samsung
    CPU
    Intel® Core™ i7-1065G7 CPU @ 1.30GHz
    Motherboard
    SAMSUNG ELECTRONICS CO., LTD. Model NP950QCG-K01US
    Memory
    12GB
    Graphics Card(s)
    Intel Iris Graphics
    Hard Drives
    SAMSUNG MZVLB512HBJQ-000 SSD 476.94 GB
    Mouse
    Logitech MX Mobile BlueTooth
    Internet Speed
    686.6 Mbps download 23.6 Mbps upload Latency: 8 ms Server: Chicago
    Browser
    Edge (Default) and FireFox installed.
What's the registry hack? I probably did it but can't remember...
Please check with Windows store and defender, MS will ban them (apps) to update.
 

My Computer

System One

  • OS
    windows 11 25H2 7623
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7400 AIO
    CPU
    i5-12500
    Motherboard
    DELL 00RG59
    Memory
    16MB
    Graphics Card(s)
    Intel UHD 770
    Sound Card
    REALTEK
    Monitor(s) Displays
    DEL940B
    Screen Resolution
    1920x1080
    Hard Drives
    Micron 3400 NVMe 512G (NVM Express 1.4)
    Samsung 860 SSD 256G
    Realtek RTL9210 NVMe SCSI 1TB Disk (NVM Express 2.0)
    Realtek RTL9210 NVMe SCSI 2TB Disk (NVM Express 1.4)
Does Windows-11 Developer Channel get new enhancements and features....
Yes it does, but MS specifically say the Dev channel is experimental: "The Dev Channel receives builds that represent long lead work from our engineers with features and experiences that may never get released as we try out different concepts and get feedback. ... features included may change over time, be removed, or replaced in Insider builds or may never be released beyond Windows Insiders to general customers".
and is it relatively stable??
Not particularly, until the current build a right-click on Start would crash Explorer.
Microsoft said:

Known issues

....
[Taskbar]
  • If you right click on the Start icon in this build or press WIN + X, explorer.exe will likely crash. Please use CTRL + Shift + Esc for the time being if you use this menu to launch Task Manager.
 

My Computers

System One System Two

  • 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
    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.

    UPDATE - 11 April 2026: due to mechanical deterioration this PC has been retired from active duty. The OS with all software and files has been migrated to my System Seven below to carry on as my general purpose 'main machine'.

    My SYSTEM THREE is a Dell Latitude 5410, i7-10610U, 32GB RAM, 512GB NVMe ssd, supported device running Windows 11 Pro.

    My SYSTEM FOUR is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Dev, Beta, and RP 24H2 as native boot vhdx.

    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, Dev, and Canary 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 24H2, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, 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.
  • 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 Dev, and Canary 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 is a 2-in-1 convertible Lenovo Yoga 11e 20DA, Celeron N2930, 8GB RAM, 256GB ssd. Unsupported device: currently running Win10 Pro, plus Win11 Pro RTM and Insider Dev, Beta, and RP 24H2 as native boot vhdx.

    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, Dev, and Canary 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 24H2, Hyper-V host machine. Updated to 25H2 on 30th September 2025.

    My SYSTEM SEVEN is a Lenovo Thinkpad T580, 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.
Apparently, they haven't fixed the issue that prints, "We fixed an issue that", repeatedly, a disturbingly needlessly high number of times, in a single document. 🤷‍♂️
 

My Computer

System One

  • OS
    Windows 11 (Dev Channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Homebuilt
    CPU
    Intel Core i9-10980XE 3 GHz 18-Core
    Motherboard
    ASRock X299 Taichi CLX ATX LGA2066
    Memory
    Corsair Vengeance RGB Pro 64 GB (4 x 16 GB) DDR4-3600 CL18
    Graphics Card(s)
    Asus GeForce RTX 3090 24 GB STRIX GAMING OC
    Sound Card
    Onboard
    Monitor(s) Displays
    HP Pavilion 32 QHD
    Screen Resolution
    2560 x 1440
    Hard Drives
    Samsung 980 Pro 2 TB M.2-2280 NVME
    Samsung 980 Pro 2 TB M.2-2280 NVME
    Samsung 980 Pro 2 TB M.2-2280 NVME
    PSU
    Super Flower
    Case
    NZXT 710i
    Cooling
    NZXT Kraken X63
    Keyboard
    Logitech G910
    Mouse
    Logitech G502
Knackered Event viewer here it did eventually open after half an hour.......... doesn't get any quicker though, ages to actually open the logs after restarting it or rebooting the PC
Ran SFC and Dism no problems, I can live with this for the moment as I have an alternative event viewer which is working OK.
Ok, so this update did break something then?
 

My Computers

System One System Two

  • OS
    Windows 11 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom Built
    CPU
    Intel i9 14900KF
    Motherboard
    ASUS Z790 ProArt Creator WiFi
    Memory
    64GB Corsair Vengeance RGB
    Graphics Card(s)
    MSI 4090 Suprim X
    Sound Card
    Onboard
    Monitor(s) Displays
    1 x Asus 24". 1 x Asus 32"
    Screen Resolution
    1920 x 1080 & 2560 x 1440
    Hard Drives
    Multiple
    PSU
    Corsair 1200HX
    Case
    Corsair 7000D RGB
    Cooling
    Corsair H150I Capellix XT
    Keyboard
    Corsair K70 RGB PRO
    Mouse
    Corsair M55 RGB Pro
    Internet Speed
    1000Mbps
    Browser
    Edge
    Antivirus
    Windows Default
  • Operating System
    Windows 11 25H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom Built
    CPU
    Intel i7 6800K
    Motherboard
    ASUS Z99 Deluxe
    Memory
    32GB DDR4 (Corsair)
    Graphics card(s)
    ASUS GTX 1080ti
    Sound Card
    Onboard
    Monitor(s) Displays
    1x Viewsonic 24" 1x LG 19"
    Screen Resolution
    1920 x 1080 & 1600 x 900
    Hard Drives
    3 x SATA SSD
    PSU
    650W Gigabyte Bronze
    Case
    Coolermaster HAF-X
    Cooling
    Noctua NH-15 Chroma black
    Keyboard
    Generic RGB
    Mouse
    Microsoft Basic
    Internet Speed
    1000Mbps
    Browser
    Edge
    Antivirus
    Windows Default
Knackered Event viewer here it did eventually open after half an hour.......... doesn't get any quicker though, ages to actually open the logs after restarting it or rebooting the PC
Ran SFC and Dism no problems, I can live with this for the moment as I have an alternative event viewer which is working OK.
Say, "aluminum" for me, just once. Please?
 

My Computer

System One

  • OS
    Windows 11 (Dev Channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Homebuilt
    CPU
    Intel Core i9-10980XE 3 GHz 18-Core
    Motherboard
    ASRock X299 Taichi CLX ATX LGA2066
    Memory
    Corsair Vengeance RGB Pro 64 GB (4 x 16 GB) DDR4-3600 CL18
    Graphics Card(s)
    Asus GeForce RTX 3090 24 GB STRIX GAMING OC
    Sound Card
    Onboard
    Monitor(s) Displays
    HP Pavilion 32 QHD
    Screen Resolution
    2560 x 1440
    Hard Drives
    Samsung 980 Pro 2 TB M.2-2280 NVME
    Samsung 980 Pro 2 TB M.2-2280 NVME
    Samsung 980 Pro 2 TB M.2-2280 NVME
    PSU
    Super Flower
    Case
    NZXT 710i
    Cooling
    NZXT Kraken X63
    Keyboard
    Logitech G910
    Mouse
    Logitech G502
QUESTION:

If Microsoft knows so many problems exist in Windows-11, and has "fixes" for them, why put those fixes in the BETA version of Win-1ll? Why not make the Release/Stable version of Windows-11 sport these fixes also?

I thought by being in the BETA channel, I would get mostly NEW items, like we get in the EDGE insider channel.

Maybe I should change to the DEVELOPER channel for Windows-11, like I am with EDGE, in order to get enhancement and new features? Does Windows-11 Developer Channel get new enhancements and features, and is it relatively stable?? If so, I'll switch from Beta to Developer right now.

-Allen
Why don't you read about it and make your own mind up? It's widely known that DEV is the EXPERIMENTAL branch of Windows with any features not guaranteed to make it to release and has an expiration date. The fixes are put into BETA/RP whereas DEV is for MS to try stuff before deciding whether to release said features to BETA/RP.
 

My Computers

System One System Two

  • OS
    Windows 11 build 26200.7296 / WSL 2 running Ubuntu
    Computer type
    Laptop
    Manufacturer/Model
    Dell Inspiron 14 5430
    CPU
    Intel i7-1355U
    Motherboard
    Dell 0GMW80
    Memory
    16GB
    Graphics Card(s)
    Intel Iris XE
    Sound Card
    Realtek
    Monitor(s) Displays
    Dell 14", LG 32" Curved Wide screen monitor and LG Ultrawide 26"
    Screen Resolution
    1920 x 1200 @ 60Hz, 1920 x 1080 @ 100Hz and 2560 x 1080 @ 60Hz
    Hard Drives
    Samsung 990 Pro 1TB NVME Gen 4 M.2 SSD
    PSU
    Dell
    Case
    Dell
    Cooling
    Dell
    Keyboard
    Dell KM3322W
    Mouse
    Dell Trackpad or Dell KM3322W
    Internet Speed
    900mb down / 400mb up FTTP
    Browser
    Edge 142.0.3595.90
    Antivirus
    Windows Defender
    Other Info
    Windows 365
    1TB OneDrive
    Outlook Classic
    Visual Studio Code running in WSL
    Python 3.14
    Samsung Magician
    Garmin Express
    Dell TB16 Thunderbolt dock
    WSL
    WEI Score: 8.3
  • Operating System
    Windows 11
    Computer type
    Tablet
    Manufacturer/Model
    Microsoft Surface Pro 7
    CPU
    Core i5 - 1035G4
    Motherboard
    Microsoft
    Memory
    8GB
    Graphics card(s)
    Intel Iris Plus
    Monitor(s) Displays
    Surface touch
    Screen Resolution
    2736 x 1824
    Hard Drives
    128GB
    PSU
    Microsoft
    Case
    Microsoft Keyboard
    Cooling
    None
    Keyboard
    Microsoft Surface Keyboard
    Mouse
    Microsoft Arc Intellimouse
    Internet Speed
    900mb / 400mb FTTP
    Browser
    Edge
    Antivirus
    Windows Defender
QUESTION:

If Microsoft knows so many problems exist in Windows-11, and has "fixes" for them, why put those fixes in the BETA version of Win-1ll? Why not make the Release/Stable version of Windows-11 sport these fixes also?

I thought by being in the BETA channel, I would get mostly NEW items, like we get in the EDGE insider channel.

Maybe I should change to the DEVELOPER channel for Windows-11, like I am with EDGE, in order to get enhancement and new features? Does Windows-11 Developer Channel get new enhancements and features, and is it relatively stable?? If so, I'll switch from Beta to Developer right now.

-Allen
As said you kinda need to read up on what the different insider channels mean. If you are frustrated with being on BETA, switch to DEV but be prepared for a whole new level of frustration on some builds. DEV is a testing platform and nothing more, it's not there for getting the latest and greatest, unless you're really into emojis that is
 

My Computer

System One

  • OS
    Windows 11 Pro Beta, 11 Dev, W11 Canary
    Computer type
    Laptop
    Manufacturer/Model
    Dell Alienware M15 Ryzen Edition R6
    CPU
    AMD Ryzen™ 9 5900HX
    Memory
    32GB
    Graphics Card(s)
    NVIDIA® GeForce RTX™ 3070 8GB GDDR6
    Hard Drives
    1 x Samsung 980 Pro 1TB
    1 x Samsung 970 Evo Plus 1TB
Now event viewer refuses to open after updating to this version
I've had Event viewer problems since yesterday on two PCs, see this post Unexplained problem!

It's not to do with the update as the problems started before then, it seems to be linked to the Ant-Malware update yesterday.
 

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim 5080 SOC
    Sound Card
    Soundblaster AE-9
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 870 Evo 4TB
    Samsung 870 Evo 2TB
    Samsung T9 4TB
    PSU
    Seasonic PX-2200
    Case
    Bequiet! Dark Base Pro 901
    Cooling
    Noctua NH-D15S Chromax black
    Keyboard
    Logitech G915 X (wired)
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    900Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
Knackered Event viewer here it did eventually open after half an hour.......... doesn't get any quicker though, ages to actually open the logs after restarting it or rebooting the PC
Ran SFC and Dism no problems, I can live with this for the moment as I have an alternative event viewer which is working OK.

See my post here Unexplained problem!
 

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim 5080 SOC
    Sound Card
    Soundblaster AE-9
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 870 Evo 4TB
    Samsung 870 Evo 2TB
    Samsung T9 4TB
    PSU
    Seasonic PX-2200
    Case
    Bequiet! Dark Base Pro 901
    Cooling
    Noctua NH-D15S Chromax black
    Keyboard
    Logitech G915 X (wired)
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    900Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender

As now all back to normal, It looks like the Defender definition update(s) rather than the platform update as that's the only thing that has changed.
It also happened on my Win10 PCs, all had the Platform update 4.18.2202.4 on the 15th plus same definition 1.361.36.0. After today's definition update 1.361.81.0 all seems to be back to normal on all PCs, both 10 and 11.
Wild guess that if it wasn't the platform update, MS released definition updates for the previous platform in error?

My first thought was the AMD chipset update, however as two of the affected PCs were Intel, I ruled that out.
 

My Computers

System One System Two

  • OS
    Windows 11 22H2 OS Build 22623.1095
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self Build
    CPU
    AMD Ryzen 7 3800X
    Motherboard
    Asus PRIME B350-PLUS
    Memory
    16GB Corsair Vengeance LPX DDR4 @3000Mhz
    Graphics Card(s)
    ASUS - GeForce RTX 3070 Ti 8 GB TUF GAMING OC
    Sound Card
    On Board Realtec
    Monitor(s) Displays
    Acer KA241
    Screen Resolution
    1920 x 1080 @60Hz
    Hard Drives
    240GB PNY CS900 SSD - OS
    2 x 1TB Crucial MX500 SSD
    1 x 500GB Crucial MX300 SSD
    2TB Seagate ST2000DM001-1ER164
    2TB Seagate ST2000DM008-2FR102
    PSU
    750 Watt Corsair TX750 Plus
    Case
    Cooler Master 690 III
    Cooling
    Akasa AK98 5 Case Fans
    Keyboard
    Logitech K270 - wireless
    Mouse
    Logitech - M185 wireless
    Internet Speed
    BT Fibre 75 Mbps
    Browser
    Firefox
    Antivirus
    Windows Defender
    Other Info
    Use hardware KVM to switch monitors on three PCs and software (input director) to use mouse and keyboard on all 4 PCs.
  • Operating System
    Windows 11 Pro 22H2 build 22621.900
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Inspiron 3881 - modified with SFX PSU fitted internally
    CPU
    Intel i5 - 10400
    Motherboard
    Dell 032w55 version A00
    Memory
    16GB of HyperX Fury @ 2133 Mhz
    Graphics card(s)
    EVGA 6GB GTX 1060.
    Sound Card
    Builtin
    Monitor(s) Displays
    ACER KA241
    Screen Resolution
    1920x 1080 @60Hz
    Hard Drives
    256GB SK hynix NVMe
    1TB Western Digital WD10EZEX-75WN4A1
    PSU
    Modular 450 Watt Corsair SF450 Platinum ( Mod to replace the Dell 265 Watt PSU)
    Case
    Inspiron Small Desktop
    Cooling
    Dell stock cooler
    Keyboard
    Dell
    Mouse
    Dell
    Internet Speed
    BT Fibre 75 Mbps
    Browser
    Firefox
    Antivirus
    Windows Defender
    Other Info
    Use hardware KVM to switch monitors on three PCs and software (input director) to use mouse and keyboard on all 4 PCs.
As now all back to normal, It looks like the Defender definition update(s) rather than the platform update as that's the only thing that has changed.
It also happened on my Win10 PCs, all had the Platform update 4.18.2202.4 on the 15th plus same definition 1.361.36.0. After today's definition update 1.361.81.0 all seems to be back to normal on all PCs, both 10 and 11.
Wild guess that if it wasn't the platform update, MS released definition updates for the previous platform in error?

My first thought was the AMD chipset update, however as two of the affected PCs were Intel, I ruled that out.
Not fixed for me, I have the 1.361.81.0 definition updates but still can't open Event viewer or Perfmon after a reboot. IN fact I have 1.161.89.0 now
 

My Computer

System One

  • OS
    Windows 11 Pro 25H2 (RP channel)
    Computer type
    PC/Desktop
    Manufacturer/Model
    MSI
    CPU
    AMD Ryzen 7 9800X3D 8-core
    Motherboard
    MEG X870E Godlike
    Memory
    64GB Corsair Titanium 6000/CL30
    Graphics Card(s)
    MSI Suprim 5080 SOC
    Sound Card
    Soundblaster AE-9
    Monitor(s) Displays
    ASUS TUF Gaming VG289Q
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 9100 Pro 4TB (gen 5 x4, system drive/games)
    Samsung 990 Pro 2TB
    Samsung 980 Pro 2TB
    Samsung 870 Evo 4TB
    Samsung 870 Evo 2TB
    Samsung T9 4TB
    PSU
    Seasonic PX-2200
    Case
    Bequiet! Dark Base Pro 901
    Cooling
    Noctua NH-D15S Chromax black
    Keyboard
    Logitech G915 X (wired)
    Mouse
    Logitech G903 with PowerPlay charger
    Internet Speed
    900Mb/sec
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
has something changed after this update?
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    CPU
    Intel Core i7-9700F, 4500 MHz
    Motherboard
    ASRock B365M-HDV
    Memory
    16 GB DDR4
    Graphics Card(s)
    GeForce GTX 1070 (8 GB)
    Sound Card
    Realtek ALC887 @ Intel Kaby Point PCH - High Definition Audio
    Monitor(s) Displays
    Samsung 32 cale
    Screen Resolution
    1680 x 1050
    Hard Drives
    Dysk nr 1 - Patriot Burst (B5950791083400100449) [894 GB] D: E:
    Dysk nr 2 - SAMSUNG MZVLB256HBHQ-000L2 (0025_3889_91CB_C6D1.) [238 GB] C: F: G:
    Keyboard
    roccat
Yes it does, but MS specifically say the Dev channel is experimental: "The Dev Channel receives builds that represent long lead work from our engineers with features and experiences that may never get released as we try out different concepts and get feedback. ... features included may change over time, be removed, or replaced in Insider builds or may never be released beyond Windows Insiders to general customers".

Not particularly, until the current build a right-click on Start would crash Explorer.
I could not use RC in this build.
 

My Computers

System One System Two

  • OS
    Windows11 Pro 26200.8524
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Alienware Aurora R16
    CPU
    Intel Core i9 14900F (24 -Core, 68 MB Total Cache)
    Motherboard
    Dell Alienware
    Memory
    32GB DDR5
    Graphics Card(s)
    RTX 4080 Super w/581.95
    Sound Card
    Realtec
    Monitor(s) Displays
    Corsair XENEON 32QHD165
    Screen Resolution
    2560 X 1440
    Hard Drives
    1-2TB Samsung 990 Pro PCIe NVMe M2 SSD
    1-4TB Samsung 990 Pro PCIe NVMe M2 SSD
    PSU
    1000 Watt Platinum Dell
    Case
    Alienware
    Cooling
    Liquid Closed Loop
    Keyboard
    Logitech MK270 Wireless Keyboard
    Mouse
    Logitech MK270 Wireless
    Internet Speed
    100Gb's Down-20 Up
    Browser
    Firefox 151.0.2
    Antivirus
    Defender
    Other Info
    Very Quiet And Fast
    CyberPower UPS CP1500PFCLCD
  • Operating System
    PClinuxOS Mate (2025.7)
    Computer type
    PC/Desktop
    Manufacturer/Model
    Intel
    CPU
    13th Gen Inter(R) Core(TM) i3-1315U
    Motherboard
    Intel
    Memory
    64 GB DDR4 @3200 MHz.
    Graphics card(s)
    Internal
    Sound Card
    None
    Monitor(s) Displays
    Dell 2419HGCF
    Screen Resolution
    1920 X 1080
    Hard Drives
    SAMSUNG 980 PRO SSD 2TB, PCIe 4.0 M.2 2280
    PSU
    Chicony 30 Watt
    Case
    Small
    Keyboard
    Dell
    Mouse
    Razor
    Internet Speed
    1GB
    Browser
    Slimjet
I went to update to this version via Windows Update and upon reboot I got a BSOD (green) saying it couldn’t find my boot device or something like that, don’t remember… I couldn’t boot into Macrium either, so I had to factory reinstall Win10, it forced upgrade to Win11 (couldn’t stop it)… download Macrium and finally was able to get to my backup… it’s now on 5% and taking its sweet time. I’ve been at this for just shy of three hours already.
When you get that just set bios to defaults... Windows messes with the EFI boot

Anyway had a look for the cab on UUP (I'm not on Insider) - couldn't find it - but no worries if you have an issue with this update , I'll pass.
 

My Computer

System One

  • OS
    Windows
When you get that just set bios to defaults... Windows messes with the EFI boot

Anyway had a look for the cab on UUP (I'm not on Insider) - couldn't find it - but no worries if you have an issue with this update , I'll pass.
Doesn't seem stable so far. ;)
 

My Computer

System One

  • OS
    Windows 11 Education
    Computer type
    PC/Desktop
    CPU
    Intel® Core™ i9-13900K Desktop Processor 16 (8P+8E)
    Motherboard
    Asus TUF Gaming Z790-PLUS WIFI D4
    Memory
    G.Skill Ripjaws V Series 32gb (2x16gb) DDR4 3600mhz
    Graphics Card(s)
    Asus Dual Geforce Rtx™ 3060 TI Edition 8gb Gddr6
    Monitor(s) Displays
    BenQ EW3270U 31.5” 3840x2160 UHD 16:9 HDR LED 4K LG 27UK850-W 27'' 4K UHD IPS LED Monitor with HDR10
    Screen Resolution
    3840x2160
    Hard Drives
    Samsung 990 with heatsink PRO PCIe 4.0 Gen 4 NVMe® SSD 1TB
    WD_BLACK SN850X NVMe M.2 2280 1TB PCI-Express 4.0
    Crucial T500 2TB Gen4
    Samsung 970 Evo M.2 2280 2tb Pcie Gen3. X4
    PSU
    Corsair AXi Series AX860i Digital 860W 80 PLUS PSU
    Case
    Fractal Meshify C ATX Mid Tower Case
    Keyboard
    Logi MX Keys
    Mouse
    Logi M705
    Internet Speed
    400 mbs
    Browser
    Firefox
    Antivirus
    Eset NOD32
    Other Info
    Love fast boots
Yes it does, but MS specifically say the Dev channel is experimental: "The Dev Channel receives builds that represent long lead work from our engineers with features and experiences that may never get released as we try out different concepts and get feedback. ... features included may change over time, be removed, or replaced in Insider builds or may never be released beyond Windows Insiders to general customers".

Not particularly, until the current build a right-click on Start would crash Explorer.
Thankyou for patiently explaining that problems with the Windows-11 Developer channel are more risky than problems that occur in the Developer Channel of the Edge browser.

When I have a problem with Edge Developer version, it's not a big deal. But the weekly updates bring enhancements to the feature set. It never crashes on me.

I'll read up some more on experiences people are having with Windows-11 Developer version. Crashes of the O.S. that you speak of, sound very unpleasant.

Thanks again for the information and explanation. 1647479319403.png 1647479319403.png

-Allen in Chicago
 

My Computer

System One

  • OS
    Windows 11 64-bit
    Computer type
    Laptop
    Manufacturer/Model
    Samsung
    CPU
    Intel® Core™ i7-1065G7 CPU @ 1.30GHz
    Motherboard
    SAMSUNG ELECTRONICS CO., LTD. Model NP950QCG-K01US
    Memory
    12GB
    Graphics Card(s)
    Intel Iris Graphics
    Hard Drives
    SAMSUNG MZVLB512HBJQ-000 SSD 476.94 GB
    Mouse
    Logitech MX Mobile BlueTooth
    Internet Speed
    686.6 Mbps download 23.6 Mbps upload Latency: 8 ms Server: Chicago
    Browser
    Edge (Default) and FireFox installed.
Why don't you read about it and make your own mind up? It's widely known that DEV is the EXPERIMENTAL branch of Windows with any features not guaranteed to make it to release and has an expiration date. The fixes are put into BETA/RP whereas DEV is for MS to try stuff before deciding whether to release said features to BETA/RP.
Are you suggesting that it is inappropriate for individual members of this forum to pose a generalized question to forum members....to seek their opinion on the overall usage stability of Windows-11 Developer version?
 

My Computer

System One

  • OS
    Windows 11 64-bit
    Computer type
    Laptop
    Manufacturer/Model
    Samsung
    CPU
    Intel® Core™ i7-1065G7 CPU @ 1.30GHz
    Motherboard
    SAMSUNG ELECTRONICS CO., LTD. Model NP950QCG-K01US
    Memory
    12GB
    Graphics Card(s)
    Intel Iris Graphics
    Hard Drives
    SAMSUNG MZVLB512HBJQ-000 SSD 476.94 GB
    Mouse
    Logitech MX Mobile BlueTooth
    Internet Speed
    686.6 Mbps download 23.6 Mbps upload Latency: 8 ms Server: Chicago
    Browser
    Edge (Default) and FireFox installed.
As said you kinda need to read up on what the different insider channels mean. If you are frustrated with being on BETA, switch to DEV but be prepared for a whole new level of frustration on some builds. DEV is a testing platform and nothing more, it's not there for getting the latest and greatest, unless you're really into emojis that is
My "frustration" with Beta is derived from Windows-11 Beta not seeming to be any more "advanced" (with new features under the hood) than the Release Version of Windows-11 that's on my wife's computer. I keep hers up-to-date and cleaned up (ccleaner, driver updates, etc.), and see no difference between her Win-11 and my Beta Win-11.

My only concern regarding switching to Windows-11 Developer channel, is what Microsoft says about converting back to Beta or Release. That a "clean install" would be needed. I use Macrium Reflect to image my drive occasionally, but have never had to use it to do a "clean reinstall".

Thankyou for the feedback. Time to go do a little more reading up on people's experiences. Their experiences/opinions mean 1000 times more to me than the corporate explanations. This forum is/has been awesome in that regard. :clap:

-Allen
 

My Computer

System One

  • OS
    Windows 11 64-bit
    Computer type
    Laptop
    Manufacturer/Model
    Samsung
    CPU
    Intel® Core™ i7-1065G7 CPU @ 1.30GHz
    Motherboard
    SAMSUNG ELECTRONICS CO., LTD. Model NP950QCG-K01US
    Memory
    12GB
    Graphics Card(s)
    Intel Iris Graphics
    Hard Drives
    SAMSUNG MZVLB512HBJQ-000 SSD 476.94 GB
    Mouse
    Logitech MX Mobile BlueTooth
    Internet Speed
    686.6 Mbps download 23.6 Mbps upload Latency: 8 ms Server: Chicago
    Browser
    Edge (Default) and FireFox installed.

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