Both Windows 10 and Windows 11 have a bug that causes your PC to restart when you choose the Update and shut down option.
A small but long‑standing bug in Windows’ shutdown process has been resolved, ending years of frustration for users.
Starting with Windows 11 25H2 Build 26200.7019 (or 26100.7019 on 24H2) and newer, “Update and shut down" will shut down, not reboot.
Windows 11 KB5067036 has a strange bug that causes the Task Manager instance to duplicate every time it is closed.
Microsoft fixes Windows’ long-standing “Update and shut down” bug in Windows 11. Update KB5067036 stops unwanted restarts, ...