mpeg2, vertical lines in the picture, issue

first of all, awesome app this one haha :)
and now..
when i play mpeg2 files its like.. vertical lines all over the picture that makes it hmm.. dont know how to exlpain it... vertical lines that make the picture a little bit offset where the lines are...
had this problem before but i cant remember how to fix it haha
just formatted and reinstalled everything..
ive checked same files in other apps and no such lines there.. only in bsplayer..
use moonlight elecard mpeg2 decoder

thanks