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Table of Contents
Use the "Forced Exit" shortcut key (most commonly used)
End the process with Activity Monitor (more thorough)
End the program with terminal commands (suitable for advanced users)
Home Operation and Maintenance Mac OS How to force quit an unresponsive application on a Mac?

How to force quit an unresponsive application on a Mac?

Jul 17, 2025 am 01:41 AM
mac force quit

When the Mac application is unresponsive, there are three ways to force exit: 1. Use the shortcut Command Option Esc to pop up the "Force Exit Application" window, select the unresponsive application and click "Force Exit", which is suitable for daily GUI applications; 2. Find and end the process that occupies resources through "Activity Monitor", which is suitable for troubleshooting background problems; 3. After using ps aux | grep "application name" to obtain the PID in the terminal, enter kill or kill -9 to terminate the process, which is suitable for advanced users to handle complex situations.

Sometimes the application on the Mac suddenly gets stuck, clicking the button does not respond, and the menu cannot be used. The most direct way at this time is to force exit. Don't rush to restart your computer, try these methods first.

Use the "Forced Exit" shortcut key (most commonly used)

This is the most familiar method for most people: Press Command Option Esc and a "Force Exit Application" window will pop up. Select the unresponsive application and click "Forcibly Exit".

  • If you find that the application is just a short stutter, you can wait a few seconds before operating
  • Some programs may automatically restart after forced exit (such as the system's own finder)
  • This method works for most GUI applications, but is not effective for background processes

This method is fast and convenient, suitable for daily use.

End the process with Activity Monitor (more thorough)

If the shortcut key doesn't work, or if you want to see which process is secretly eating resources, you can use "Activity Monitor".

  1. Open Applications → Utilities → Double-click Activity Monitor
  2. Find the program or process you want to close in the list
  3. Click the "X" button in the upper left corner and select "Exit" or "Force Exit"
  • If you are not sure which process is which program, you can sort it by CPU or memory to check it
  • Forced exit from the system-level process may cause some functions to be abnormal. It is best to confirm clearly before operation.

This method is more in-depth than shortcut keys and is suitable for advanced users.

End the program with terminal commands (suitable for advanced users)

If you like to use the command line, or the graphical interface is completely invalid, you can use Terminal to kill the process.

  1. Open the terminal (can be found in "Applications" → "Utilities")
  2. Enter ps aux | grep "應(yīng)用名稱" to find the process ID (PID)
  3. Enter kill PID or kill -9 PID to terminate the process
  • kill is a normal exit request, kill -9 is a forced kill
  • It is recommended to confirm the PID before operation to avoid killing other processes by chance.

Although this method is a little more complicated, it can handle some hidden processes and background services.


Basically, there are only these three methods. Most of the time, it is enough to use the first one. If it really doesn’t work, then change the next two. It is not complicated but easy to ignore that even if some programs are forced to exit, they will still restore the last state (especially the document) when opened next time, which is quite convenient.

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