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

Microsoft has released an urgent update to fix a critical Outlook flaw triggered by recent system patches. The issue, ...

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

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

Round and round we go.

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

While the Windows world focuses on failed updates and a new automated upgrade that has just gone live for all users, Microsoft has also just issued a new Windows 11 update it describes as “critical.” ...

Microsoft has confirmed that the boot failures with its January 2026 Windows 11 update are limited to “commercial” PCs and happened due to the December 2025 update failing to install and PCs being ...

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously ...

Microsoft confirmed that the KB5074109 January Windows 11 security update causes the classic Outlook desktop client to freeze ...

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 ...