Sir, I have the same problem. My external burner type and model is HP dvd 1040e, External 20X Mutiformat DVD Writer. and nero 7 Essentials software. While I burn the music just say Burn complete succesfully. never said some error at all. The music is in wma. But while I try to play, nothing on it. I don't know what wrong with me. before I burn music cd with internal cd run and old software , it's fine. but right now my internal burner is down so switch to brand new external burner . Hope some one can give me help.