Many unrepairable corrupted Defender files found by sfc /scannow

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  1. JohnnyGui
    Posts : 533
    Windows 10 Pro x64 Version 21H2
       New #1

    Many unrepairable corrupted Defender files found by sfc /scannow


    Anyone else noticed a lot of Defender files being corrupted after doing an sfc /scannow prompt? Here are just some of the corrupted lines found in the CBS log file:

    - [SR] Could not reproject corrupted file \??\C:\Windows\System32\WindowsPowerShell\v1.0\Modules\Defender\\MSFT_MpComputerStatus.cdxml; source file in store is also corrupted
    - [SR] Could not reproject corrupted file \??\C:\Windows\System32\WindowsPowerShell\v1.0\Modules\Defender\\MSFT_MpThreat.cdxml; source file in store is also corrupted
    - [SR] Could not reproject corrupted file \??\C:\Windows\System32\WindowsPowerShell\v1.0\Modules\Defender\\MSFT_MpThreatCatalog.cdxml; source file in store is also corrupted
    - [SR] Could not reproject corrupted file \??\C:\Windows\System32\WindowsPowerShell\v1.0\Modules\Defender\\MSFT_MpThreatDetection.cdxml; source file in store is also corrupted
    - [SR] Could not reproject corrupted file \??\C:\Windows\System32\WindowsPowerShell\v1.0\Modules\Defender\\MSFT_MpPreference.cdxml; source file in store is also corrupted
    - [SR] Could not reproject corrupted file \??\C:\Windows\System32\WindowsPowerShell\v1.0\Modules\Defender\\MSFT_MpScan.cdxml; source file in store is also corrupted
    - Could not reproject corrupted file \??\C:\Windows\System32\WindowsPowerShell\v1.0\Modules\Defender\\MSFT_MpWDOScan.cdxml; source file in store is also corrupted
    - Could not reproject corrupted file \??\C:\Windows\System32\WindowsPowerShell\v1.0\Modules\Defender\\MSFT_MpSignature.cdxml; source file in store is also corrupted
    - [SR] Could not reproject corrupted file \??\C:\Windows\System32\WindowsPowerShell\v1.0\Modules\Defender\\Defender.psd1; source file in store is also corrupted

    Beneath each line it says that the hashes for the concerning file member doesn't match.


    I have Windows 10 Pro 1809 x64
    Anyone else noticed these corruptions after an sfc /scannow prompt?
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  3. The Pool Man
    Posts : 819
    10
       New #2

    No, but I'll share similar in a new thread
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  4. Try3
    Posts : 16,949
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       New #3

    Yes, lots of us have had this problem. See my consolidated ditty on SFC errors [WD update problem] - TenForums

    Denis
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  6. JohnnyGui
    Posts : 533
    Windows 10 Pro x64 Version 21H2
    Thread Starter
       New #4

    Try3 said:
    Yes, lots of us have had this problem. See my consolidated ditty on SFC errors [WD update problem] - TenForums

    Denis
    The Microsoft article describing this issue is stating the following:

    Future releases of Windows will use the updated files in the Windows image. After that, SFC will no longer flag the files.

    Does this mean we actually have to wait for anothor big feature update of Windows until this is fixed?
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  7. Try3
    Posts : 16,949
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       New #5

    Does this mean we actually have to wait for anothor big feature update of Windows until this is fixed?
    There is no way of telling how long MS will take.

    I have just finished revising that post of mine that I linked you to before. It now contains the comment that you can safely leave the problem if it is purely related to the Windows defender powershell components
    [listed in that post of mine] and then explains how you can easily fix it for yourself.

    Denis
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  8. AddRAM
    Posts : 4,594
    Windows 10 Pro
       New #6

    I posted the command to run as Admin in Command Prompt in this thread, it will fix it. Reply #4

    SFC Reports Corruption Issues on all 4 of my PCs (after recent update)
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  9. bro67
    Posts : 9,790
    Mac OS Catalina
       New #7

    JohnnyGui said:
    The Microsoft article describing this issue is stating the following:

    Future releases of Windows will use the updated files in the Windows image. After that, SFC will no longer flag the files.

    Does this mean we actually have to wait for anothor big feature update of Windows until this is fixed?
    Yes, as 10 goes through its growth changes, features will break and get fixed as MS tries to get it right.
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  10. Steve C
    Posts : 7,904
    Windows 11 Pro 64 bit
       New #8

    This is a known problem due to poor MS software QA.

    Run:
    Dism /Online /Cleanup-Image /RestoreHealth
    sfc /scannow (run twice - once to fix errors and again to check all is clear)
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  12. Helmut
    Posts : 2,734
    Windows 10
       New #9

    Yes, same here, for the first time in 6 years SFC /scannow has actually detected problems.
    I have used that SFC several times alternating with the DISM command line stuff. Also going to Windows updates.

    That seems to clear it.
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  13. JohnnyGui
    Posts : 533
    Windows 10 Pro x64 Version 21H2
    Thread Starter
       New #10

    bro67 said:
    Yes, as 10 goes through its growth changes, features will break and get fixed as MS tries to get it right.
    Windows Update is offering a new update for the WD platform, KB4052623. Does this solve the issue for you guys?
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