Microsoft’s first Windows 11 update of 2026 stopped some computers from shutting down
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TL;DR
- Microsoft released an initial Windows 11 security update on January 13th, 2026.
- An emergency out-of-band update was released on January 17th, 2026, to fix bugs from the initial patch.
- The bugs prevented some systems from shutting down or hibernating properly.
- Some users experienced issues logging in via remote desktop.
- The shutdown/hibernation bug affected Windows 11 version 23H2 (Enterprise and IoT editions).
- Connection and authentication failures in remote connection applications affected multiple Windows platforms, including Windows 11 version 25H2 and Windows 10 version 22H2 ESU.