Time Machine file restore froze system, mini M4Pro
I tried to restore a single file from one of yesterday's hourly backups. I got as far as selecting the file, clicking restore and that was as far as it got. All I could do after that was move the mouse pointer. Clicking cancel or restore buttons did nothing, keyboard presses did nothing.
I resorted to pressing the power button, and then selecting Reboot but nothing happened
Another power button press and selection of Shut Down also resulted in no action.
I then pressed the power button to force a shutdown.
Rebooted and tried the same restore, from a different day, with the same result.
Mac mini, macOS 15.1