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 365 services including Outlook, Microsoft Defender and Microsoft Purview were impacted on Thursday, with the company issuing an update on the matter.

Learn how to fix the Windows 11 bug preventing some PCs from shutting down and why it only affects certain users.

As reported by Windows Latest, Microsoft has now “released fixes for at least two bugs.” Specifically, the shut-down failure on older PCs running Windows 11 23H2 and a “much more widespread” remote desktop login failure affecting 24H2 and 25H2.

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 confirmed that the Windows 11 January 2026 Update is causing at least three major issues, rolling out fixes for two bugs.

Microsoft suggests typing cmd into the Search bar and selecting Command Prompt from the results. Enter shutdown /s /t 0 in the Command Prompt window to allow your computer to shut down normally.

Microsoft rolled out the latest cumulative updates for Windows on January 13, 2026. Soon after installing the patches, users began reporting erratic behavior on both home

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.