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

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

I think it might have been cause my XP CD is Version 2002 but before the SATA hard drive refused to boot up (this happened cause I attempted a repair install & deleted all system files from the hard ...

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

After the first update stopped PCs from shutting down or going to sleep, the latest one halts the boot-up process. Microsoft ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kimber Streams Kimber Streams is a writer who has been covering laptops and ...