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‘Fail To Shut Down’—Microsoft Issues Windows Update Warning
The January security update refreshes expiring Secure Boot certificates but causes shutdown failures on Windows 11 23H2 Enterprise and IoT with System Guard Secure Launch enabled.
- On Jan. 16, 2026, Microsoft explained in a Windows release health dashboard update that some PCs with Secure Launch are unable to shut down after KB5073455, but not all affected devices have Secure Launch enabled.
- Patch Tuesday's KB5074109 and KB5073724 refresh Secure Boot certificates, which Microsoft said are set to expire starting in June 2026.
- Enterprise and IoT systems running KB5073455 with System Guard Secure Launch on Windows 11 Enterprise edition and Windows IoT edition must use Command Prompt command `shutdown /s /t 0`, as Microsoft said no hibernation workaround exists.
- Affected Windows devices may stay awake and drain batteries, restarting instead of sleeping and risking lost work, while Microsoft has provided limited technical detail and no fix yet.
- Admins and Windows users should save work and shut down, Microsoft added, and an out-of-band emergency update is expected soon while monitoring Windows release health dashboard and status pages.
Insights by Ground AI
17 Articles
17 Articles
After installing the January patch, Windows users report about PCs that can no longer be shut down. Microsoft confirms the problem.
Coverage Details
Total News Sources17
Leaning Left2Leaning Right0Center4Last UpdatedBias Distribution67% Center
Bias Distribution
- 67% of the sources are Center
67% Center
L 33%
C 67%
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