Microsoft says it has resolved a Windows 11 bug that caused some commercial systems to fail to boot with an "UNMOUNTABLE_BOOT_VOLUME" error after installing recent ...

Microsoft released its January 2026 security update for Windows 11, but the patch triggered multiple system failures across different versions, forcing the company to issue two emergency fixes in just ...

Another monthly Windows 11 update is trapping machines in endless boot loops, users report. Last week's April Patch Tuesday update (KB5082063) is considered a cumulative security update, but users are ...

There's a new bug in Windows 11's January update Microsoft informs us that this one is causing boot failures based on a "limited number of reports" If affected, you'll have to try a manual recovery, ...