Please help me i am a newbie

Hi i just installed my bitcomet but whenever i try to downlaod a album or somthing teh thing wont let me it says invalid or somthing like that … :angry: I dont know why!..Please help me im desperate and i heard thisd is a good program!..am i right? and i already have Utorrent but it automatically downloads my album/movie to utorrent, how do i change my settings ?..thanx