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

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.

If you weren't able to shut down your Windows 11 device recently, Microsoft has rolled out an emergency fix addressing a couple of critical bugs that popped up with its latest January 2026 Windows security update.

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

Microsoft has issued an urgent fix for Windows 11 after a recent security update caused several major issues with the operating system. One of the bugs prevented some systems from shutting down or hibernating properly,

Microsoft updates a workaround to fix broken Start Menu, Taskbar, and File Explorer issues on Windows 11 24H2 and 25H2.

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 security update.