Install error - 0x80070643 Windows 10, version 21H2 and 22H2

Anonymous
2024-01-09T10:44:06+00:00

I have been having this error for a long time now, it keeps saying "retry"after i click on it. Anyone know how to fix it?

Windows for home | Windows 11 | Windows update

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Anonymous
2024-01-10T16:09:45+00:00

I googled the actual KB and found this link: https://support.microsoft.com/en-gb/topic/kb5034441-windows-recovery-environment-update-for-windows-10-version-21h2-and-22h2-january-9-2024-62c04204-aaa5-4fee-a02a-2fdea17075a8. It seems that it updates the Windows Recovery (WinRE) environment, and the tip about resizing the partition for that is valid. You can find the link to the instructions in the KB article I linked.

I did that and the installation passed.

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  1. Anonymous
    2024-01-10T19:54:27+00:00

    Tell it to Grandma, its impossible to play arround with this steps, the update should work or be removed from server..

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  2. Anonymous
    2024-01-13T15:31:50+00:00

    An issue that I experienced in attempting to fix this was that the newly unallocated space from my recovery partition and the newly unallocated space from my main primary partition were not adjacent/contiguous in Disk Management view. When this is the case, windows cannot use ALL of the unallocated space on your drive, only the unallocated space blocks that are adjacent/contiguous to each other.

    This meant that when I recreated the recovery partition (step 5 in https://support.microsoft.com/en-us/topic/kb5028997-instructions-to-manually-resize-your-partition-to-install-the-winre-update-400faa27-9343-461c-ada9-24c8229763bf ) then it ended up being the same size as before!

    I had to use a 3rd party tool (AOMEI Partition Assistant Free) to merge both unallocated blocks back into my main primary partition and then afterwards re-shrink the primary partition by the size of my original recovery partition + 250MB in addition.

    I then had a single unallocated block and could recreate the larger recovery partition.

    Alas after all that, I actually still have the same issue trying to install this update (get error 0x80070643). I've even upped my recovery partition to 1GB (it was 529MB to start with) and still have the same issue so not sure that there's much else that I can do on this front!

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  3. Anonymous
    2024-01-10T22:42:22+00:00

    The suggested fix is not a fix. Given it is an issue with the update an average user is not going to go thru the trouble of having to dink with a partition. Get it together and provide a proper user friendly fix.

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  4. Anonymous
    2024-01-10T18:14:12+00:00

    Followed instructions. Stalled at the shrink command. Not allowed to shrink the partition. Had to exit.

    Same here

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