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

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

The January update for Windows 11 has been met with considerable backlash, primarily due to reports of PCs refusing to shut down and displaying critical errors. A particularly alarming issue is the ...

Microsoft’s first big Windows 11 refresh of the year is going so badly that the company is telling people to pull the update ...

This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems ...

A fresh wave of Windows 11 update trouble is making the rounds, and this one is about as disruptive as it gets: some PCs reportedly can’t boot after installing the latest January 2026 security update.

Windows 11’s June update is failing to install for some people It’s complicated because Microsoft released an initial update this month – which was paused – and then a revised patch that replaced it ...

Microsoft's June 2025 cumulative update for Windows 11, KB5063060, is causing trouble for quite a few users. The worst part is that this update comes after the ...

Microsoft has released a second emergency Windows 11 update, KB5078127, to fix Outlook crashes, cloud file errors, and other ...

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

Windows 11 KB5078127 is an 'out-of-band' patch to fix an issue that broke Outlook Classic (POP, PST) after January 2026 Patch ...

Microsoft promises a big February patch - but will it fix what's broken with Windows 11 today?