Auto shuts down after inactivity when idle, you need to check the solutions mentioned in this post to resolve the issue.

If Windows 11/10 shuts down instead of restarting when you press the Restart button, check Power button options and settings and then follow these solutions.

Microsoft has released Windows 11 KB5055523 and KB5055528 cumulative updates for versions 24H2 and 23H2 to fix security ...