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Windows 10 LTSB 21H2. Unable to install any cumulative update since KB5040427 because of error 0x800f0922

Anonymous
2024-10-25T13:36:40+00:00

Hi all

I'd appreciate some assistance. I am trying to update a HP thin client image which is updated with DISM and while this is often problematic, normally persistence pays off (and often installing the patches in a certain order!)

Anyhow the last patch I was able to install on this device was KB5040427 which installed without error.

Since then there have been 3 cumulative update and all fail. Windows setup in event viewer reports 0x800f0922

I honestly don't know how to navigate the vast CBS log to efficiently see the issue, can someone assist me please?

CBS file link HERE

Windows for home | Windows 10 | Windows update

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Anonymous
2024-11-25T09:14:26+00:00

I see no reference to C:\Temp.

TEMP and TMP are set to Z:\Temp, as per the log.

HKLM\System\CurrentControlSet\Control\Session Manager\Environment

Not sure what's changing it to Z:. You can try a clean boot to test.

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  1. Anonymous
    2024-10-26T08:42:31+00:00

    Ok. please let me know. I'm subscribed to this thread.

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  2. Anonymous
    2024-10-26T08:40:37+00:00

    Thank you. I am on leave for a week so will get back to you with the output as soon as I return.

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  3. Anonymous
    2024-10-25T17:31:52+00:00

    Hi NHS, I'm Ramesh, here to answer your query at the Microsoft Community.

    Please open admin Command Prompt and run:

    icacls "%temp%"

icacls c:\windows\temp

icacls C:\Windows\System32\wbem

icacls C:\Windows\System32\wbem\AutoRecover

    Post the output here.

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