ShutdownerX is a freeware program to shutdown PC automatically within time range or exact time. Just specify time range or time when PC should shutdown and let ShutdownerX do the rest. All you need to do is specify time range or time Specify hour,minute and second if you use range click Set button then click Start button Specify 24 hours time format if you use time click Set button ShutdownerX is running on system tray so it is not making Taskbar full.