Windows 11 KB5078127 is an 'out-of-band' patch to fix an issue that broke Outlook Classic (POP, PST) after January 2026 Patch ...
XDA Developers on MSN
Windows 11's January update is causing chaos with Outlook, and there's no fix yet
There are workarounds, though.
4don MSN
The first big Windows update of 2026 has bugs: Outlook freezes, app errors, and how to fix them
The first big Windows update of 2026 has bugs: Outlook freezes, app errors, and how to fix them ...
Microsoft shared a temporary workaround for customers experiencing Outlook freezes after installing this month's Windows ...
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