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

Windows 11 users report system freezes, app crashes, and driver issues after installing Microsoft update KB5074109.

Everyone knows you need to keep your operating system up to date, but what happens when a company botches the update and ...

A fresh wave of Windows 11 update trouble is making the rounds, and this one is about as disruptive as it gets: some PCs reportedly can’t boot after installing the latest January 2026 security update.

Microsoft has released another emergency Windows 11 update after a January patch triggered widespread app crashes, Outlook failures, and cloud sync issues, forcing the company into rare back to back ...

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 ...

Windows 11 KB5078127 is an 'out-of-band' patch to fix an issue that broke Outlook Classic (POP, PST) after January 2026 Patch ...

Microsoft’s first Windows 11 security update of 2026 broke shutdowns and some Remote Desktop sign-ins. Microsoft has released ...

Microsoft ships Windows 11 KB5074105 to Insiders, raising builds to 26100.7701 and 26200.7701 and addressing multiple system issues.