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 ...

Most users jump straight to a clean install when Windows starts boot looping. Here is why you should try these rollbacks and ...

Windows 11 runs into another disastrous bug with its latest update — Microsoft admits an 'issue in which devices are failing ...

Microsoft is aware of an alleged issue that leaves PCs unable to boot and requires manual recovery after Windows 11 January ...

Windows 11 KB5074109 is wreaking havoc thanks to several issues, with the most serious keeping users out of the operating ...

Windows 11 had a rough 2025. We tracked the top 20 Windows 11 issues reported by Windows Latest, from failed updates to ...

Windows 11 KB5074109 is causing crashes, reboots, black screens, and BSOD errors for some users, but workaround is available.

In confirmed cases, Windows 11 boot failure occurs post-update, with the machine stuck at a black screen and unable to ...

Struggling with a corrupted GPT bootloader in Windows 11? Discover step-by-step methods to repair it quickly and get your PC booting smoothly again. Expert tips for hassle-free recovery.

Microsoft has released the KB5072753 out-of-band cumulative update to fix a known issue causing the November 2025 KB5068966 hotpatch update to reinstall on Windows 11 systems repeatedly. As the ...

Your Windows PC needs this patch to ward off nasty bootkit malware - update now ...