By default a normal user can abort the shutdown. They could also configure group policy to prevent shutdown permissions which also prevents aborting a shutdown.
The GPO is Computer Configuration > Windows Settings > Security Settings > Local Policies > User Rights Assignment > Shut down the system.
shutdown.exe -a should take care of situations like that. It’s not an excuse for taking away your options on the UI though.
The sound of rain on a tent mixed with a crackling fire, very relaxing.
Regression to the mean
I think people should be able to call a wrong out without having to call all wrongs out.
I just recently ran a bunch of cables in the house. Lots of work, but yes definitely worth it.