been hvin loads :rant: of probs with dc now for a while system often crashes and the dreaded blue screen pops up sayin there is a problem with the nv4_disp graphics driver.im on a p4 80 gig 512 ram and a geforce mx440 120 mb agp8x.As it was still under warranty i phoned up pc world and they fitted a new graphics card as they said that was what it was but upon loadin dc with the new card it promptly crashed within the hour.cheers for any input.