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 aware of an alleged issue that leaves PCs unable to boot and requires manual recovery after Windows 11 January ...

Microsoft issues second emergency patch for Windows this month - update your PC today ...

Microsoft has released another emergency Windows 11 update after a January patch triggered widespread app crashes, Outlook ...

A recent Windows Update pushed out by Microsoft has been causing big problems for some Windows 11 users, leading to heavy criticism of the company online.

Microsoft has released emergency Windows 11 / 10 updates again with KB5078127 KB5078132 KB5078129, and KB5078131.

The next thing that you can try is resetting the Windows Update Components. Sometimes, Windows Update Components are corrupted due to which Windows Update fails to install. Corrupt system image files ...

Early reports link the Windows 11 KB5074105 update to camera failures and lock screen crashes, despite Microsoft listing no known issues.