Microsoft Confirms Windows Shutdown Bug

Microsoft confirms a Windows shutdown issue affecting some devices running Windows 11 version 23H2 after the latest January update. According to the company, systems with System Guard Secure Launch enabled may fail to power down completely. The problem prevents affected PCs from shutting down or entering hibernation, potentially disrupting performance and battery life.

The issue appears tied to recent security updates pushed earlier this month. Microsoft acknowledged the bug in an official support document and is actively working on a resolution. The company has not provided a timeline for a fix or confirmed whether disabling System Guard Secure Launch resolves the problem.

While only a subset of users seem impacted, Microsoft has advised IT administrators and users to monitor system behavior following January’s cumulative update. More details and updates will likely follow as engineers investigate further.

For users impacted by this glitch, Microsoft confirms a Windows shutdown problem is under review.

https://www.bleepingcomputer.com/news/security/microsoft-some-windows-pcs-fail-to-shut-down-after-january-update/