Please describe what you mean.
There are two options under "General" which may be of interest:
"Auto play" and "Remember last movie position"
How do you start BSPlayer and/or a movie?
Do you start BSPlayer first and then load a movie or
Double-click on the movie-file or ... ?
PS: (
http://forum.bsplayer.org/viewtopic.php?p=15129#15129 )