Windows 10: KB5003254 cannot update this particular KB, getting (0x800f0900)

I have Windows 10 Pro N. My computer crashed in the middle of this update: 2021-05 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 Version 20H2 for x64 (KB5003254) Getting this error msg in the update center: There were some problems installing updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x800f0900) I tried everything I thought *could* work, but to no avail :/ (and yes, I did restart the PC after these, to no avail) This one here said it repaired something: SFC /SCANNOW Then ran: Dism /Online /Cleanup-Image /ScanHealth Dism /Online /Cleanup-Image /CheckHealth Dism /Online /Cleanup-Image /RestoreHealth As for the DISM.... restore health one: Error: 0x800f081f The source files could not be found. Use the "Source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see https://go.microsoft.com/fwlink/?LinkId=243077. The DISM log file can be found at C:\WINDOWS\Logs\DISM\dism.log In any event, I also downloaded the actual file I was trying to install 2021-05 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows Server, version 20H2 for x64 (KB5003254) Found here: https://www.catalog.update.microsoft...aspx?q=5003254 Yup, I checked to make sure I was downloading the correct version. But it gives me this error when installing: The following updates were not installed: Update for Windows (KB5003254) But... the thing is, this update is the one I am trying to install, but according to Windows, it's not even installed. It failed installing multiple times. Tried this using an elevated command prompt wusa /uninstall /KB:5003254 /quiet /warnrestart Didn't to do anything, nor did any prompts subsequently appeared So, I subsequently did this: 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, these were the results: C:\WINDOWS\system32>net stop wuauserv The Windows Update service is stopping. The Windows Update service was stopped successfully. C:\WINDOWS\system32>net stop cryptSvc The following services are dependent on the Cryptographic Services service. Stopping the Cryptographic Services service will also stop these services. TrueVector Internet Monitor Do you want to continue this operation? (Y/N) [N]: y The requested pause, continue, or stop is not valid for this service. More help is available by typing NET HELPMSG 2191. C:\WINDOWS\system32>net stop bits The Background Intelligent Transfer Service service is not started. More help is available by typing NET HELPMSG 3521. C:\WINDOWS\system32>net stop msiserver The Windows Installer service is not started. More help is available by typing NET HELPMSG 3521. C:\WINDOWS\system32>Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old C:\WINDOWS\system32>Ren C:\Windows\System32\catroot2 Catroot2.old Access is denied. C:\WINDOWS\system32>net start wuauserv The Windows Update service is starting. The Windows Update service was started successfully. C:\WINDOWS\system32>net start cryptSvc The requested service has already been started. More help is available by typing NET HELPMSG 2182. C:\WINDOWS\system32>net start bits The Background Intelligent Transfer Service service is starting. The Background Intelligent Transfer Service service was started successfully. C:\WINDOWS\system32>net start msiserver The Windows Installer service is starting. The Windows Installer service was started successfully. C:\WINDOWS\system32>netsh winsock reset Sucessfully reset the Winsock Catalog. You must restart the computer in order to complete the reset. C:\WINDOWS\system32>net start bits The Background Intelligent Transfer Service service is starting. The Background Intelligent Transfer Service service was started successfully. C:\WINDOWS\system32>net start wuauserv The Windows Update service is starting. The Windows Update service was started successfully. C:\WINDOWS\system32>net start cryptsvc The requested service has already been started. More help is available by typing NET HELPMSG 2182. Still not working, so ran these again + step 4 this time around. Specifically for step 4, it gave me this: C:\WINDOWS\system32>Ren %Systemroot%\SoftwareDistribution\DataStore DataStore.bak The system cannot find the file specified. C:\WINDOWS\system32>Ren %Systemroot%\SoftwareDistribution\Download Download.bak The system cannot find the file specified. C:\WINDOWS\system32>Ren %Systemroot%\System32\catroot2 catroot2.bak Access is denied. C:\WINDOWS\system32>sc.exe sdset bits DA;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU) [SC] SetServiceObjectSecurity SUCCESS C:\WINDOWS\system32>sc.exe sdset wuauserv DA;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU) [SC] SetServiceObjectSecurity SUCCESS C:\WINDOWS\system32>cd /d %windir%\system32

:)

 

Failing to update these KB 3135782, KB 890830 and KB 3135173

Hello,

• Did you tried the above steps suggested by Ruth Buruga?

If not, I suggest you to try these steps and check if it could help in resolving the issue.

Kindly get back to us with the outcome to assist out further.

Thank You.

 

Error 0x800f0900

Hi ramksingh,

Thank you for bringing this concern to us, my name is Anthony I am an Independent Advisor and a Windows 10 OS user like you.

I understand that there where concerns updating to Windows 10

These are the list of known causes of Error 0x800f0900

Faulty anti-virus or Firewall software.

Unstable internet connections.

Windows update corrupted downloaded.

Software distribution folder corrupted.

Windows update services and dependencies are corrupted.

Please let us work together to find the a solution for this issue.

Let us use these troubleshooting steps provided bellow

How to Fix Windows Update Error 0x800f0900?

How to Fix Windows Update Error 0x800f0900? - Appuals.com

Please let me know on how I can provide further assistance ramksingh. I would do my best to help.

Best regards,

Anthony De Jesus

Independent Advisor

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Thoroughly research any product advertised on the site before you decide to download and install it.

 

KB5003254 Cumulative Update .NET Framework 3.5 and 4.8 for Windows 10

Source: https://support.microsoft.com/en-us/...b-8b6c7cacd02d

See also: https://devblogs.microsoft.com/dotne...004-20h2-21h1/


Direct download links for KB5003254 MSU file from Microsoft Update Catalog:

Download KB5003254 MSU for Windows 10 v2004, 20H2, and 20H1 32-bit (x86) - 41.6 MB

Download KB5003254 MSU for Windows 10 v2004, 20H2, and 20H1 64-bit (x64) - 65.2 MB

Download KB5003254 MSU for Windows 10 v2004, 20H2, and 20H1 ARM64 - 41.6 MB