This article will show the steps to force quit an application in Mac OS X. This can be very useful if a program needs to be closed, but isn’t responding.
Method One: Key Commands
1. Hold the Command, Option, and Escape keys on your keyboard.
2. Select the application you want to quit and select Force Quit.
3. Confirm closing the application by selecting Force Quit again.
Method Two: From the Apple Menu
1. Click the Apple Icon in the top left corner of the screen, then select Force Quit.
2. Select the application you want to quit and select Force Quit.
3. Confirm closing the application by selecting Force Quit option from the confirmation window.