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.
The post Windows 11 boot issues tied to bad December update appeared first on Android Headlines.
XDA Developers on MSN
Microsoft confirms that a stack of bad Windows updates is causing boot issues
It's not just January's one.
Windows Latestは1月29日(現地時間)、一部のWindows 11 PCが起動しなくなる不具合は、1月の月例更新プログラム「KB5074109」に原因の一端があると報じた。不具合の発表当時、MicrosoftはWindows Updateによる影響か調査すると述べ、他の要因の可能性も示唆していた。
Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...
Windows 11 had a rough 2025. We tracked the top 20 Windows 11 issues reported by Windows Latest, from failed updates to ...
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 ...
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 ...
2026年1月、Windows 11の月例アップデートで複数の不具合が発生した。特に最新CPU搭載機や業務メールに直結する障害は業務運用の課題となる。Windows 11の「こんなはずじゃなかった」にはどのようなものがあるのか。
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