I have an app that won't die: it's gone from the dock, but the window remains (with a beachball, if I mouse over it). It's using no CPU, but I want it to go away.
Is there something stronger than "Force Quit", to really really kill an app?
If you know the name of the app, you can check in Activity Monitor to see if it's still running there and try its Force Quit. If that doesn't work, take note of the app's process ID (pid). Go to the Terminal and type
If the app doesn't show up in Activity Monitor or you couldn't
If none of this works, you'll have to log out and back in or reboot. The few times I've gotten to this point, the app was so stuck it prevented logging out or shutting down, so I had to hard reboot.
The force quit window,
If you run
As in above answers, the strongest way to terminate any process is
However, exist processes what are simply impossible to
Here is a short script what will create a
Run the above script in the Terminal and you will get output, like next:
If you check the status column for the unkillable process (in this case: 50571) you see the
You can try send any
In the above example, in 120 seconds it will be cleared.