You can remove a program from the Quiet Mode Programs list. After you remove a program, Norton Internet Security does not turn on Quiet Mode the next time when it detects a running instance of the program.

You can also remove a running program from the Quiet Mode Programs list. However, if Quiet Mode is turned on, it turns off only after the running instances of all the programs in the list are complete. You cannot turn off Quiet Mode by removing a program from the list when it runs.

You can manually add the programs for which you want Norton Internet Security to turn on Quiet Mode to the Quiet Mode Programs list. When you execute the program that you added to the list, Norton Internet Security detects the program and turns on Quiet Mode.

You can also add a running program to the Quiet Mode Programs list. However, when you add a running program, Norton Internet Security does not detect the current running instance of the program to turn on Quiet Mode. Norton Internet Security turns on Quiet Mode the next time when you execute the program.

Norton Internet Security automatically turns on Quiet Mode when it detects a TV program recording session or a disk-burning session. In addition, you can manually add the programs for which you want Norton Internet Security to turn on Quiet Mode to the Quiet Mode Programs list. When Norton Internet Security detects a running instance of a program that you added in the list, it automatically turns on Quiet Mode. When Quiet Mode is turned on, Norton Internet Security suspends the background activities but does not suppress alerts and notifications.

You can also add a running program to the Quiet Mode Programs list. However when you add a running program, Norton Internet Security does not detect the current running instance of the program to turn on Quiet Mode. Norton Internet Security turns on Quiet Mode the next time when you execute the program.

You can turn on the Quiet Mode options, such as IMAPI 2.0 Disk Burn or Media Center TV Recording in the Settings window. If you perform a task for an option that you turned on, Norton Internet Security detects the task and automatically turns on Silent Mode. For example, you turn on the IMAPI 2.0 Disk Burn option and start burning a disk using a Media Center application. In this case, Norton Internet Security detects the disk-burning session and turns on Quiet Mode.

Norton Internet Security turns on Quiet Mode as soon as you start recording a TV program or burning a CD or a DVD. Once Quiet Mode is turned on, it turns off only after the TV program recording session or disk-burning session is complete. You cannot turn off Quiet Mode during the sessions by using the options in the Settings window.

Norton Internet Security automatically turns on Quiet Mode when you perform a few tasks that require higher utilization of your system resources. When Quiet Mode is turned on, Norton Internet Security suspends the background activities and lets the task use the maximum resources for better performance.

You can use the Full Screen Detection option in the Settings window to turn on or turn off Silent Mode automatically when Norton Internet Security detects a full-screen application. By default, the Full Screen Detection option remains turned on after you install Norton Internet Security.

When you watch a movie, play games, or make a presentation, you run the application in the full-screen mode. Norton Internet Security detects the application that you run in the full-screen mode and automatically enables Silent Mode. When Silent Mode is enabled, Norton Internet Security suppresses most of the alerts and suspends background activities. Only those activities run that are involved in protecting your computer from viruses and other security threats. Minimum background activities also ensure high performance of your computer. The activities that are suspended run after you finish using the application in the full-screen mode.