Hiya all. I've been useing prism and imageburn for a while now and have recently installed it on a re-enstalled reformated HDD. In other words I've reformated my HDD and re-installed XP and all NCH programes. In doing so none of the DVD's I burn will play on my mates dvd players.I am useing avi format etc and nothing different to what I have done in the pass. We have played with settings on dvd players as well.Any suggestions?