Crackling noise with my new Soundblaster platinum 5.1

Hey guys i was wondering why the hell theres a crackling noise when the EAX animation and the opening of windows plays? It doesnt really do it when i play winamp or sonique...but say im playing a song in winamp the windows sounds screw up...what the hell?..man this card is brand new and its on a abit bh6...also its connected to a dxr3 board with my creative encore dvd which plays no video but sound..>...i can get video through my tv but not through my monitor...man can anyone help?