Microsoft confirmed that the KB5074109 January Windows 11 security update causes the classic Outlook desktop client to freeze ...
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 ...
Windows 11 Patch Tuesday updates for 24H2 and 25H2 reportedly break classic Outlook, causing freezes, hangs, and lost email ...
Microsoft shared a temporary workaround for customers experiencing Outlook freezes after installing this month's Windows ...
Microsoft issued another out-of-band update to fix a bug that caused Outlook to crash for Windows 11 users. This second ...
After Windows 11 January 2026 update, we're seeing reports of other issues, including a sleep problem (S3), and more.
Microsoft releases an emergency Windows 11 update to fix Outlook crashes caused by the January 2026 security update. Restore ...
Microsoft admits that “Classic Outlook profiles with POP accounts and PSTs hang after Windows updates on January 13, 2026.” If you’re affected, you need to await a fix. “The Windows Team will be ...
Microsoft has issued guidance to uninstall KB5074109 security update or switch to webmail after the patch caused Outlook ...
January's Windows 11 update rendered classic Outlook unusable for many users. While Microsoft works on a fix, they've ...
Microsoft shares workarounds for a Windows 11 KB5074109 bug that breaks Outlook for POP email accounts and PST files.
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