Cumulative update won't install (KB4571756) (Error 0x800f081f)

Anonymous
2020-09-11T07:31:06+00:00

I am running Windows 10 Home 2004 (Build 19041.450). Windows Update notified me that there was a cumulative update available to install (2020-09 Cumulative Update for Windows 10 Version 2004 for x64-based Systems (KB4571756)). When I told it to install the update, it will download and go up to "Installing - 100%" and then just show this error: 

I've tried the following in an attempt to fix the error:

  • Run "sfc /scannow" in an elevated command prompt
  • Run "DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:<Source of clean Windows 10 2004 ISO created using Windows Media Creation Tool> /LimitAccess" in an elevated command prompt
  • Uninstall and reinstall NET framework 3.5 from "Turn Windows features on or off" in Control Panel
  • Manually download the specific update from the Microsoft Update Catalog and install it
  • Stop the Windows Update service and delete the Windows Update cache located in "%SystemRoot%\SoftwareDistrubution", then restart the service

Obviously, none of these worked so I'm looking for any other solutions to this problem. Any help is appreciated.

Windows for home | Windows 10 | Windows update

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  1. Anonymous
    2020-10-01T12:23:30+00:00

    one hell of a patch with no fix in sight...

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  2. Anonymous
    2020-09-30T23:39:33+00:00

    I am running Windows 10 Home Version 10.0.19041 Build 19041.  Sandbox is not a standard feature of Windows 10 Home Edition and is not listed as a choice in "Windows Features".

    I do have a a sub directory named C:\DUImageSandbox that was created on 27 SEP 2020 when I downloaded the latest Windows update.

    The cabinet file "c:\DUImageSandbox\Microsoft-Windows-Printing-WFS-FoD-Package~31bf3856ad364e35~amd64~en-gb~.cab" does exist.

    Now, how do I stop "Windows Update" from trying to run this file?

    This is the information posted in the SetupDiagResults log file:

    Error: SetupDiag reports rollback failure found.

    Last Phase = Safe OS

    Last Operation = Add [1] package C:$WINDOWS.~BT\DUImageSandbox\Microsoft-Windows-Printing-WFS-FoD-Package~31bf3856ad364e35~amd64~en-gb~.cab

    Error = 0x800F0830-0x20003

    LogEntry: 2020-09-27 14:40:08, Error                 SP     CAddCbsPackage::DoExecute: The new OS image is corrupt and cannot be repaired. Error: 0x800F0830[gle=0x0000007a]

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  3. Anonymous
    2020-09-30T20:13:00+00:00

    Since the error is pointing to a Windows Sandbox source file, you could perhaps try first installing or uninstalling Windows Sandbox, to see if that makes any difference.

    Run optionalfeatures.exe to add or remove Sandbox.

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  4. Anonymous
    2020-09-30T20:06:24+00:00

    All 64-bit Windows files are named "amd64". It has nothing to do with the brand of processor that we may have in our PC.

    I think AMD was first to market a 64-bit CPU, so their achievement has been honoured in this naming convention ever since.

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  5. Anonymous
    2020-09-30T19:29:48+00:00

    I get the same error when I try to update my PC.  I ran the utility setupdiag.exe.  The log file reports that the update is failing when it tries to load the file "C:$WINDOWS.~BT\DUImageSandbox\Microsoft-Windows-Printing-WFS-FoD-Package~31bf3856ad364e35~amd64~en-gb~.cab"

    I have an 64-bit Intel based PC, why is the update trying to load an amd64 file?

    I have tried all of the listed suggestions (sfc, dism...) and none of them worked.

    Pause updates till October 13th, that's next Patch Tuesday

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