Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.
Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...
How-To Geek on MSN
Windows 11 update disaster? 3 fixes to try before reinstalling
Most users jump straight to a clean install when Windows starts boot looping. Here is why you should try these rollbacks and recovery tools first.
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