The post Windows 11 boot issues tied to bad December update appeared first on Android Headlines.

It's not just January's one.

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.

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

Add Yahoo as a preferred source to see more of our stories on Google. Nimash Neththaru / Pixabay Windows 11, like any operating system, can experience glitches and other malfunctions. These might ...

Microsoft is shifting focus to fixing Windows 11 performance and reliability after months of buggy updates, boot failures, and growing user frustration.

Microsoft has issued an urgent fix for Windows 11 after a recent security update caused several major issues with the operating system. One of the bugs prevented some systems from shutting down or ...

From flickering cameras to crashing widgets, find out if the new KB5074105 patch is safe for your system or if you should pause your next update.