Using Nero 220.127.116.11 with an NC 2500-A V1.07 burner and Imation 'Ritek 603 -2x DVD's. They work OK using Nero Back It Up for data Files however when I create music MP3 files using Nero's Smart Start- All appears OK untill I try to play the music. My Win XP Pro patch 2- comes up with" cannot read medium -incompatable format (023002)".Will not play on my DVD which says it supports DVD-R. Ruined 3 disks. InCD seems to burn ok with TDK DVD-RW 2x.- Suspect Media- write speed or ??