As StageDirector is installed on the microsoft Windows operating systems, it needs normal shutdown procedures to turn the machine off. StageDirector provides a 'shutdown' function. The shutdown procedure is found from 'Tools - Shutdown Machine' from the StageDirector top menu.
A similar facility is provided to reboot the computer if required. 'Tools - Restart machine' from the StageDirector top menu.
Another easy shortcut is to press <ALT + F4> to shut down application to eventually shutdown windows.