I was recently browsing around on YouTube and stumbled upon this video: Microsoft Confirms it will NOT Fix KB5034441 Error 0x80070643 on Windows 10. The video title got my attention so I figured I’d see what was going on. KB5034441 is a security update for the Windows Recovery Environment to fix a vulnerability that could allow bypassing BitLocker encryption, and some people have been noticing that the update fails to install.

I decided to check my Windows Update history, and sure enough, my computer was affected:

The truth is that I’m not using BitLocker, so the update doesn’t really matter for me. I hadn’t even noticed that it was failing repeatedly. Apparently it had also failed to install on January 11th. Knowing that my computer would continue over and over failing at installing this update bothered me though. It just felt wrong.

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