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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?
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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.
As listed all over the comments, the solution is to extend the WinRE partition, which involves decreasing your OS partition. This does carry some risk and is a disaster to perform for +1,000 PCs.
Anyway, some may find the output of the operation (cmd-line), when done successfully, to be useful and help eliminate any doubt about what to do with what partitions:
https://www.easy365manager.com/0x80070643-error_install_failure/
Had to release my SAMSUNG SSD's "overprovisioning-partition"! (although there was enough space left)
everything went smooth afterwards.
thank you
Thank you! This fixed my problem with KB5034441. However, when I went to run reagentc /enable on step 8, I got an error message about a missing recovery environment. The fix was to use 7zip to browse the Windows 10 install ISO to \sources\install.wim, then extract and open the install.wim in 7zip. Then browse inside install.wim to \1\windows\system32\recovery\ and extract the Winre.wim file. Then copy the Winre.wim file to my \Windows\system32\recovery directory. Then I was able to successfully run reagentc /enable.
Excellent! Thanks for the video and/or the link. I had tried the KB5028997 process but suffered from a lack of understanding and it didn't work. The walkthrough in the video (jump to 42:14) gave me the missing info to complete the process and that pesky update finally installed.
The key part I was missing from the 'KB5028997: Instructions to manually resize your partition to install the WinRE update' was, shrink (shrink desired=250 minimum=250) from the Primary partition (partition 3) and then delete (delete partition override) the Recovery partition (partition 4). Creating and formatting the new partition was simple enough.
Thanks again,
