Windows Update issue (failed to install) , 0x80070643

Ary Ahmed 170 Reputation points
2024-01-15T07:22:09.2933333+00:00

Dear All, kindly asking for help regarding Windows updates on our Windows 10 and Windows 11 computers , we have some computers not able to install monthly updates and stay on the retry state Error code is : 0x80070643 I have tried to fix Windows with sfc/ scannow , chkdsk c: /f cleaned the Windows update repositories reset the services the issue is still happening and Windows updates not get installed on some computers any idea? Thanks

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
11,734 questions
{count} votes

Accepted answer
  1. John Krikawa 175 Reputation points
    2024-01-24T20:59:45.2733333+00:00

    Same issue on an extremely clean and new Windows 10 Pro installation. Flow_p's link to the already reported problem was useful. The inner solution was changing the recovery partition size. I followed this guide exactly and rebooted, and the update installed:
    https://support.microsoft.com/en-us/topic/kb5028997-instructions-to-manually-resize-your-partition-to-install-the-winre-update-400faa27-9343-461c-ada9-24c8229763bf

    20 people found this answer helpful.

17 additional answers

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  1. Nagy Imre 50 Reputation points
    2024-02-05T09:45:56.5166667+00:00

    The same issue occurred in our organization; almost everyone (30+ people) experienced it.
    We don't want to manually resize any partitions or resort to any other makeshift solutions. Instead, we will patiently await a professional fix from Microsoft.

    10 people found this answer helpful.

  2. S.Sengupta 19,741 Reputation points MVP
    2024-01-17T01:43:25.15+00:00

    Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters.

    Select "Windows Update" and click "Run the troubleshooter." Follow the on-screen instructions.

    Open "Command Prompt (Admin)."

    Type the following commands, pressing Enter after each:

    • net stop wuauserv
    • net stop cryptSvc
    • net stop bits
    • net stop msiserver
    • Type ren C:\Windows\SoftwareDistribution SoftwareDistribution.old and press Enter.
    • Type the following commands, pressing Enter after each:
    • net start wuauserv
    • net start cryptSvc
    • net start bits
      • net start msiserver
      • In the elevated Command Prompt, type the following commands, pressing Enter after each:
      • sfc /scannow
        • DISM /Online /Cleanup-Image /RestoreHealth
    7 people found this answer helpful.

  3. Árpád Levente Kedei 10 Reputation points
    2024-01-24T07:27:37.66+00:00

    Resizing the windows recovery partition (+250 Mb) solved my problem whit this error.

    2 people found this answer helpful.

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