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 ...

‘Terrible’—Microsoft’s Black Screen Of Death Strikes Down Windows

Neowin also notes another dark side to this latest issue. “Interestingly, Microsoft came up with a technical solution for ...
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.
Ars Technica

win xp unmountable boot volume?

greetings. JUST recieved a new dell about a week ago and it has worked great since I got it. it was accidentily unplugged while it was on and now when i re-boot it says: unmountable_boot_volume. I ...
Ars Technica

XP Pro question

Ok. Here goes. I was running 2000 Pro without a hitch, with 2 hdd's. A 30gb Maxtor, and a 60gb IBM 60gxp. I installed XP pro, and on restart I got the unmountable_boot_volume blue screen. Reset the ...