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

Windows 11 KB5074109 causes a black screen on some PCs, including those with an Nvidia GPU, and also freezes Outlook if you ...

Microsoft shared a temporary workaround for customers experiencing Outlook freezes after installing this month's Windows ...

Windows 11 KB5074109 causes Outlook freezing for POP accounts. Microsoft confirms the issue and investigates a permanent fix.

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

Windows 11 users faced significant issues following the January 2026 security update, leading to unexpected crashes, freezes, ...

The first big Windows update of 2026 has bugs: Outlook freezes, app errors, and how to fix them ...

Microsoft has issued guidance to uninstall KB5074109 security update or switch to webmail after the patch caused Outlook ...

Microsoft releases an urgent Windows 11 update to fix Outlook crashes caused by the January 2026 security patch and cloud ...

Microsoft's January security updates for Windows 11 also appear to be disrupting Outlook. Microsoft is investigating problems ...

Windows 11 still silently auto-enables OneDrive Folder Backup against our wishes. But there's a new change for those who ...