Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...

Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

Microsoft has started rolling out built-in Sysmon functionality to some Windows 11 systems enrolled in the Windows Insider ...

Above and beyond the benefits of a fresh do-over, clean installing Windows 11 improves security, exposes new features, and more. With the Windows 10 end of support date arriving on October 14, ...

This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems ...