Trouble with bsplayer in Windows2000 Professional

After installing bsplayer and playing videos with bsplayer or Windows Media Player new window with exception appears...."Application Exception" (....memory address couldn't be written) and so on...
After uninstalling bsplayer this window with the same exception appears too when openning videos with Windows Media Player.
I really want to use bsplayer to watch videos !!!!

How can i fix this bug??

Thanks a lot.