CANT PLAY SIMPLE VIDEO FILES !!!!

[GruziiC]

Hi ...
i`m using latest BS player 2.57 vers. on windows 7 pro sp1 ....
Issue appear`d after i played 720p H264 movie ,after wich i could`t play any other simple .avi .xvid or any other video files exept thoes H264 included ... player just loads .avi file screen stays black and player just like automatically stop playing ...

already reinstaled likes 5 times... downloaded latest codec versions,packs ...
nothing helps anymore... any suggestions or help how to fix this problem ...

and also problem with playlist(old style) ..after opening-closing,and again reopening, it just crashes ..

p.s. sorry for my bad english ..