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.

As reported by Windows Latest, Microsoft has now “released fixes for at least two bugs.” Specifically, the shut-down failure on older PCs running Windows 11 23H2 and a “much more widespread” remote ...

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

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...

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

Windows 11’s June update is failing to install for some people It’s complicated because Microsoft released an initial update this month – which was paused – and then a revised patch that replaced it ...

Windows 11 KB5074105 is now rolling out, and it's a feature-packed update with Android Resume for version 25H2 or 24H2.

The latest Windows 11 update is an optional one, but Microsoft has a few solid reasons for you to pull the trigger and install it right now.