MacOS: Force Quit a Frozen Application

Force Quit: 

Force Quit is similar to End Task in Task Manager (Ctrl + Alt + Delete) on Windows

  1. Open the Force Quit Applications menu
    1. Either press these three keys together: Option, Command, and Esc

      option, command, and escape buttons
    2. Or choose Force Quit from the Apple menu in the upper-left corner of your screen. 

  2. Select the app that's causing problems (which may say not responding next to it)
  3. Click Force Quit at the bottom

Activity Monitor:

Activity Monitor is similar to more details version of Task Manager on Windows

  1. Open Activity Monitor
    1. Either go to Applications > Utilities > Activity Monitor
    2. Or press Command+Spacebar and type "activity monitor", then select it from the results list


If you select a process you can inspect its details (View > Inspect Process or Command+I) or kill it (View > Quit Process or Option+Command+Q). Since this displays system processes, be careful not to kill a process unless you're certain that doing so won't cause system problems.

Learn more about Activity Monitor's capabilities from Apple's Support page:

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Article ID: 181
Mon 3/2/20 12:56 PM
Wed 11/30/22 1:38 PM