rightclick > Playback > Playback mode >
Repeat off (or click (repeatedly) on controlpanel where there is a playback mode indicated, until you reach Random; then click once more and wait a wee bit)
If you want BS.Player to close down when the movie has finished:
(rightclick >) Options > Preferences > General [General settings]
In the grey part of the window at "south-east" you can select your preference what you want BS.Player to do "
When finished"
("
Close BS.Player" is at the bottom of the selection-list)