Microsoft investigates Windows 11 boot failures after January updates

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

KB5074109 Update Causes Boot Failures on Windows 11 Devices

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

Microsoft confirms Windows 11 KB5074109 January update BSOD, boot issues on some PCs (commerical)

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

Fix 0xc0000242 Boot BCD error on Windows 11/10

There are a few ways you can resolve the Boot BCD error 0xc0000242 and it requires you to use Windows in-built Recovery Tools or a Windows Installation Media. Use the ...
Daily Times

Microsoft probes windows 11 boot errors after update

Microsoft is investigating reports of serious boot failures affecting Windows 11 devices following the January 2026 security ...
WEBTECH 360

How to Fix Windows 11 Safe Mode with Networking Error

Struggling with Windows 11 "Safe Mode with Networking" error? Discover proven, step-by-step fixes to restore your system ...
Tech Times

Windows 11 Shutdown Bug Explained: Why Your PC Won't Turn Off and How to Fix It

Windows 11 shutdown bug explained with causes, fixes, and workarounds to stop restarts, battery drain, and failed power-offs after updates.