Windows10 Update failed with 0x8000ffff code

Young Chen 1 Reputation point

Settings > Windows Update
I always got Windows Update failure.

Feature Update for Windows 10, Version 21H2 - Error 0x8000ffff
2021 - 09 Update for Windows 10 Version 1903 for x64 based systems (KB4023057) - Error 0x8000ffff

An empty log file was generated when I double clicked to run SetupDiag.exe.

Logs from the CBS log folder (%windir%\Logs\CBS):

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
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2 answers

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  1. Limitless Technology 39,506 Reputation points

    Hello @Young Chen

    It seems that underlying in the CBS log, there is an invalid package error: HRESULT = 0x800f0805 - CBS_E_INVALID_PACKAGE

    Usually this is due to an incorrect download in the local catalog, or corrupted parts of the already downloaded contact for update.

    The main recommendation would be the next:

    Hope this helps with your query,


    --If the reply is helpful, please Upvote and Accept as answer--

  2. Reza-Ameri 16,861 Reputation points

    Take a look at and follow steps on:
    You already followed steps in the above website, however, follow the one which you haven't tried yet.

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