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 ...
Windows 11 KB5074109 is wreaking havoc thanks to several issues, with the most serious keeping users out of the operating ...
Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results