Yep, a known issue.
Fix error 0x80070643 for Windows 10 KB5034441 update - Your Windows Guide
Windows 10 KB5034441 security update fails with 0x80070643 errors (bleepingcomputer.com)
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* * Mod note on 1/12/24. * *
Please see: https://www.yourwindowsguide.com/2024/01/fix-error-0x80070643-for-windows-10-kb5034441-update.html
The latest update downloads and then fails to install.
This is a brand new update. Is this a known issue? Is there a resolution specific to this update? (Please do not copy and paste standard procedure)
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Just increase the recovery partition space to 1 GB
If you are not familiar, you can use the video tutorial on YouTub.. Search "Create recovery partition in Windows 10/11 UEFI → IT Army"
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I have given up on getting anything with this to work:
even the IT expert I rely on for such matters, states that the effort to increase the space of memory does
not work, as Microsoft states; this is beyond ridiculous.
After restarting background intelligent transfer and windows update, tried to check for update but shows 0x80070643.
I checked I have more than 500 MB Recovery Partition Automatically created during Windows 10 Pro Setup. Shouldn't it resize or be enough for this update?