Microsoft says uninstall Windows 11 update KB5074109 to fix Outlook Classic hangs, black screens and other stability issues ...
XDA Developers on MSN
Windows 11's January update is causing chaos with Outlook, and there's no fix yet
There are workarounds, though.
Windows 11 KB5078127 is an 'out-of-band' patch to fix an issue that broke Outlook Classic (POP, PST) after January 2026 Patch ...
After Windows 11 January 2026 update, we're seeing reports of other issues, including a sleep problem (S3), and more.
Microsoft has released a second emergency Windows 11 update, KB5078127, to fix Outlook crashes, cloud file errors, and other ...
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