Stopping and Pausing Applications
In the Run tool window, you can stop a program, or pause its output. If a program is stopped, its process is interrupted and exits immediately. When program output is paused, the program continues running in the background, but its output is suspended.
Stop a program
In the Run tool window, click the Stop button on the toolbar, or press Ctrl+F2.
To close the active tab, click the Close button , or press Ctrl+Shift+F4.