There was a change in the way Windows 11 receives WinRE updates recently. However, Microsoft has confirmed these WinRE updates could also fail and has explained in detail why that is.
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Earlier this year, Microsoft promised it was working on fix for "0x80070643 - ERROR_INSTALL_FAILURE that was happening when trying to install Windows 10 KB5034441 update. However, that's not to be.
Microsoft has addressed a security vulnerability that can lead to BitLocker Secure Boot bypass on both Windows 10 and 11. Alongside that, the company has also detailed how to resize the WinRE space.