Microsoft issues emergency Windows 11 fix after computers fail to shut down - One of the bugs to the world’s most popular operating system remains unfixed

Microsoft says uninstall Windows 11 update KB5074109 to fix Outlook Classic hangs, black screens and other stability issues affecting users.

The first big Windows update of 2026 has bugs: Outlook freezes, app errors, and how to fix them

Windows 11 KB5078127 is an 'out-of-band' patch to fix an issue that broke Outlook Classic (POP, PST) after January 2026 Patch Tuesday.

What is Microsoft 365 451 4.3.2 Temporary Server Error and how to fix it? Microsoft 365 faced outages affecting Outlook, Teams, Defender, and Purview. Users reported over 11,000 issues. The error indicates server-side problems.

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

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’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.

Windows 11 had a rough 2025. We tracked the top 20 Windows 11 issues reported by Windows Latest, from failed updates to broken features.

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