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

It's not just January's one.

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

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 ...

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 ...

Microsoft has tacitly confirmed that the mandatory Windows 11 24H2 updates from past months negatively impacted the operating system’s stability, which is bad timing for the company who recently ...

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 ...

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

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Microsoft’s mandatory security update this month has been described ...

It had been a slow start to 2026 for the Windows Insider Program, but that changed today with the release of several new ...