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

Some machines are failing to start after security updates, prompting yet another Microsoft investigation Microsoft is ...

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

Windows 11 KB5074109 is wreaking havoc thanks to several issues, with the most serious keeping users out of the operating ...

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

In confirmed cases, Windows 11 boot failure occurs post-update, with the machine stuck at a black screen and unable to ...

Experiencing a Windows 11 boot loop can be incredibly frustrating, transforming your computer into a seemingly endless cycle of restarts that disrupts productivity. When your system continuously fails ...

If your Windows computer is stuck in an infinite reboot loop, it can be frustrating and challenging to resolve. However, there are several methods you can try to fix this issue and get your system up ...

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 had a rough 2025. We tracked the top 20 Windows 11 issues reported by Windows Latest, from failed updates to ...

I have a PC with a Gigabyte Z87-UD3H motheboard, i7-4770K processor, Corsair Vengeance RAM. I recently removed my CPU cooler to reapply thermal paste to the CPU and cooler. After reattaching the ...

While this ability to install use multiple operating systems on Macs is convenient, in some instances problems with a non-Mac OS X system installation can prevent users from being able to boot back ...