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

Microsoft says uninstall Windows 11 update KB5074109 to fix Outlook Classic hangs, black screens and other stability issues ...

The first big Windows update of 2026 is a glitchy mess - here's the full list of bugs and fixes ...

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

Windows 11 Patch Tuesday updates for 24H2 and 25H2 reportedly break classic Outlook, causing freezes, hangs, and lost email ...

Microsoft has issued an unusual public advisory asking users to uninstall the Windows 11 January 2026 security update after ...

Microsoft issued a second emergency Windows patch in January after earlier fixes caused new bugs, raising concerns about ...

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

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

As reported by Windows Latest, Microsoft has now “released fixes for at least two bugs.” Specifically, the shut-down failure ...

Now, Neowin reports that several users are saying the latest Windows 11 update ( KB5074109) has made classic Outlook ...

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