HOW TO CLOSE A PROGRAM IN WINDOW IF IT STOPS RESPONDING.

There are at times when a particular application in window stops responding,and is very annoying when it does not respond or you are unable to close it,you will feel irritated.->Press Ctrl+Alt+Delete at the same time ->Select the Task Manager,and when it opens highlight the application which is not responding and click on End Task which will force the application to close. These is helpful when you are in the middle of sum important work and your computer slows down with one application not responding