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0x80070643 error stops Windows 10 users from installing KB5043064, but there is a workaround
KB5043064 has been plagued with issues.
2 min. read
Published onSeptember 26, 2024
published onSeptember 26, 2024
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Microsoft recently releasedKB5043064, the cumulative update for Windows 10 version 22H2. Needless to say, while the patch is mandatory, it has also caused many issues for users since its release.
First,the 0x800f0831 error codeprevented the KB5043064 patch from installing on Windows 10 devices, but fortunately, the bug also has a solution now.
However, it seems that the patch has also run into another bug. The 0x80070643 error is stopping KB5043064 from installing in Windows 10. Some users have tried installing the patchon Windows forumsfor over a week.
I have been trying to install this update for over a week. I have tried several suggestions, but all I get is the update reaching 20% sometimes and 100% the other but then failing to install.
Some users triedthe regular sfc /scannow fix, but it didn’t do anything.
So, how can the 0x80070643 error be fixed, stopping KB5043064 from installing on Windows 10? There is a solution, and it requires repairing the device altogether.
Here’s what you need to do:
The process will repair your Windows 10 device without erasing your data. To do so, enable the Keep personal files and apps option.
It’s not the first time that the 0x80070643 error has appeared when installing Windows 10/Windows 11 updates. If the solution above still doesn’t work (although we doubt it), you might want to check other fixes for this frustrating bug.
More about the topics:windows 10,Windows Update
Flavius Floare
Tech Journalist
Flavius is a writer and a media content producer with a particular interest in technology, gaming, media, film and storytelling.
He’s always curious and ready to take on everything new in the tech world, covering Microsoft’s products on a daily basis. The passion for gaming and hardware feeds his journalistic approach, making him a great researcher and news writer that’s always ready to bring you the bleeding edge!
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Flavius Floare
Tech Journalist
Flavius is a writer and a media content producer with a particular interest in technology, gaming, media, film and storytelling.
