Microsoft Outage Status Update: Problem Identified Amid 451 4.3.2 Temporary Server Issue, Estimated Time Here

The dilemma for millions of Windows users now is that Microsoft also warns that “while you might choose ultimately to uninstall a security update, you should know the risks associated with the uninstallation.” These include vulnerability to attacks, compromised personal information and potential data loss, Microsoft says.

Microsoft’s first Windows 11 security update of 2026 broke shutdowns and some Remote Desktop sign-ins. Microsoft has released emergency out-of-band fixes via Windows Update, including KB5077744 and KB5077797.

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

January has become a nightmare for millions of Windows users, as Microsoft’s latest January update creates a surprising raft of issues. We have seen multiple emergency updates. But serious problems remain. And there’s no firm timeline on fixes.

Beyond Outlook and Remote Desktop bugs, the KB5074109 patch is now causing immediate app closures and freezes for certain professional software.

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

The fix is for a bug that prevents some systems from shutting down, while another bug that prevents hibernation has no workaround yet.

Microsoft's January 2026 security update for Windows 11 has triggered some highly disruptive system issues, users report. As a result, Microsoft rushed this weekend to release emergency updates that fix some problems, but not others.

Microsoft has released multiple emergency, out-of-band updates for Windows 10, Windows 11, and Windows Server to fix two issues caused by the January Patch Tuesday updates.