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 Latest

Windows 11 25H2 Build 26200.7623 breaks sleep mode (S3), Citrix Director, and other problems (January 2026 Update)

After Windows 11 January 2026 update, we're seeing reports of other issues, including a sleep problem (S3), and more.

Windows App forgets how to log in with first security update of the year

January patch trips up Azure Virtual Desktop and Windows 365 authentication Microsoft has kicked off 2026 with another faulty ...

Windows 11’s latest update crashes classic Outlook and loses emails

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

Microsoft says uninstall Windows 11 KB5074109 to fix Outlook POP, PST hang, as 2026’s first update causes havoc

If your Outlook Classic freezes or hangs when you use POP accounts or deal with PST files, you'll need to remove Windows 11 ...
Redmondmag.com

Microsoft Releases Emergency Fix for Azure Virtual Desktop, Windows 365 Authentication Failures

Microsoft released an out-of-band update Friday to resolve credential authentication failures affecting Azure Virtual Desktop and Windows 365 connections that emerged after the company's January 2026 ...
Windows Report

Windows 11 KB5074109 Breaks Outlook for POP Accounts, Microsoft Confirms Issue

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