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

Error Code 0xc00000f0 generally occurs while upgrading Windows Installation, especially from Windows 10 to Windows 11. Users confirm that while upgrading the Windows ...

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

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...

This post features solutions to fix Windows Update Error 0xe0000003. Windows Updates ensures your PC stays updated with the latest security patches, bug fixes, and ...

Struggling with Windows 11 Update Error 0x80070422? Discover proven fixes to resolve this frustrating issue quickly.

Microsoft is investigating reports of serious boot failures affecting Windows 11 devices following the January 2026 security ...

Struggling with the Unexpected Kernel Mode Trap error on Windows 11? This comprehensive guide walks you through proven ...