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.

Last week's security patch is the latest buggy update that impaired some PCs. Take these steps before and after an update to avoid headaches.

The first Windows 11 update for 2026 has caused unexpected trouble to some users and prevented the affected computers from shutting down or restarting properly.

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 ...

It's not just January's one.

The post Windows 11 boot issues tied to bad December update appeared first on Android Headlines.

Microsoft shares more details about the boot failure bug triggered by the latest Patch Tuesday update, KB5074109, in Windows 11.

Round and round we go.

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