MacBook Pro is logged out and stuck on autoclicker

Press and hold the power button until your MacBook shuts down. Then start your MacBook in safe mode, open the folder where the Auto clicker is located and delete it.

How to use safe mode:

Apple silicon:

1. Shut down your Mac.
2. Turn on your Mac and continue to press and hold the power button until you see the startup options window.
3. Select your startup disk, then press and hold the Shift key while clicking “Continue in Safe Mode”.
4. Log in to your Mac. You may be asked to log in again.

Intel processor:

1. Turn on or restart your Mac, then immediately press and hold the Shift keyas your Mac starts up.
2. Release the key when you see the login window, then log in to your Mac. 
3. You may be asked to log in again. On either the first or second login window, you should see "Safe Boot" in the top right-hand corner of the window.