Task Manager displays the programs, processes, and services that are currently running on your computer. You can use Task Manager to monitor your computer’s performance or to close a program that’s not responding.
How to Exit a Program that is “Not Responding”
1. Open the Task Manager, Press Ctrl+Alt+Del keys and select Task Manager
2. Right-click on top of the task bar
3. Next, click Start Task Manager.
4. Make sure that the Applications tab is displayed, click the program that isn’t responding, and then click the End Task button.