Codec needed

I used K-lite pack to work with avi/mov but mpeg doesnt work on premiere...now i cant work on mov on premiere and this is bullshit cus i worked yesterday ... i'm ready to format my pc tonight but i want to know which alternative i can use to work on mov/avi/mpeg and possibly to use also .mp3 (shit happens that i cant import it on premire)...any solution is welcome! i'm on VISTA 32bit


Happy new years guys !