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 ...

Windows 11 rollback fails with error 0x800f0905. Here's how to fix

Windows 11’s latest update drama: KB5074109 breaks things, and the uninstall process breaks too.

Windows 11’s sandbox is down for many users due to a persistent timeout bug

Windows 11 Sandbox is completely unusable for many users due to error 0x800705b4 — but here's how to fix it.

Windows 11 hit by bevy of bugs to kick off 2026 - here's the roundup

Based on a response from an independent advisor named Harold Milan to a forum post from an affected user, this error typically pops up when the Microsoft Store can't validate a license. This could be ...
WinBuzzer

Windows 11 January Update Breaks Notepad, Snipping Tool and Other Apps

Microsoft's January 2026 security update has broken Windows 11 apps like Notepad and Snipping Tool, introducing dual bugs ...

Windows 11’s first update of the year is breaking all kinds of stuff

Microsoft has really stepped in it with the first Windows 11 update of 2026. Reports from annoyed Windows users are cropping ...