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.

Windows 11 KB5074109 (January 2026 Update) is causing major issues on some PCs, and Microsoft has more details to share.

If you get The device, \Device\Harddisk0\DR0, has a bad block, Event ID 7 on your Windows computer, follow the solutions mentioned below. Use Macrorit Disk Scanner to scan Hard Disk for Bad Sectors ...

If you get the “Couldn’t find a bootable operating system” error while turning on your Surface laptop, use these fixes to resolve this error. Check if your SSD ...