need help! games that i am burning arent working!

ok, i dont know whats up, but i have about 20 games that i have burned in the past that work fine, and i can play em right now and stuff. but now when i have burned games recently, they dont work, and it has brought up that stupid screen where it acts like its an audio cd, is there something im doing wrong now or what! do i need to change settings in dj? i even used cdi2nero and same thing happened! someone please help my ASS!!!