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

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

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

It's not just January's one.

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

The January update for Windows 11 has been met with considerable backlash, primarily due to reports of PCs refusing to shut down and displaying critical errors. A particularly alarming issue is the ...

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

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

In a surprising turn of events, Microsoft has confirmed that its January 2026 security update, KB5074109, is causing significant boot issues for some Windows 11 users. This latest development ...

Everyone knows you need to keep your operating system up to date, but what happens when a company botches the update and bricks your PC? Ask Windows users.

The fix is for a bug that prevents some systems from shutting down, while another bug that prevents hibernation has no ...

In 2026, the company says it will focus on addressing Windows 11's pain points, such as system performance and reliability.