I remember one time that windows didn't want to give an option to shutdown without rebooting for updates. That was the solution.

Or a not so forceful solution: Go into the Ctrl + Alt + Del menu, and press the power button while holding down Ctrl. Now you can do an emergency shutdown.

Windows + r, shutdown -s -t 0, enter

even the shutdown command is complicated ffs

Be happy the shutdown procedure doesn’t start by opening regedit. I wouldn’t be surprised, to be honest.