Keep NOT Running can be useful in a few ways... Let's say someone leaves Outlook running, thereby chewing up bandwidth by checking their POP account for new spam every 2 minutes, when the machine is idle (they haven't moved the mouse or pressed a key in awhile) then kill off outlook.exe. Let's say someone launches NBC video in their browser, then goes to lunch, when the machine is idle kill off iexplore.exe. Let's say someone logs onto a computer as administrator, then gets distracted and leaves, when the machine is idle logoff the user.