My windows meida player 11 dosent import my music anymore, it happened once and although i can still play music with it ia my music, when i say search for new music and press ok it just dissapears and thts that nothing happens i got the new sp1 update and tht didnt fix it can any one help???

Vista Home Premuim 64x
3.2ghz
1.5ram
750gig

Many Thanks