Restarting
From Box Of Stops Online Help
The simplest way to restart Box Of Stops is just to unplug the Raspberry Pi, and plug it back in again. Box Of Stops will then automatically re-launch itself as part of the boot up sequence for the Pi.
The alternative, if you are working with the command prompt on the Raspberry is the sudo reboot command:
Note, both of these ways assume Auto start has not been disabled.
Stop and Start
The alternative, if a more controlled restart is needed, is to stop and start Box Of Stops manually.