JUST BOUGHT AN AOPEN DVRW2412PRO WHICH WRITE DVD+ I HAVE BEEN TRYING TO COPY A MOVIE WHICH IS ON A DVD- DISC BUT WITH NO SUCCESS THE WRITING PROGRAM I GOT WITH THE MACHINE IS NERO BUT WHEN I GO TO WRITE IT JUST SPITS THE EMPTY DISC OUT SAYING MEDIUM IS NOT BIG ENOUGH ALTHOUGH I KNOW IT IS ALSO I CAN DO SUCCESSFUL COPYS ON INCD 6.5 BUT THEY WILL NOT PLAY ON ANYTHING COULD SOMEONE PLEASE HELP AS I CAN NOT TAKE MUCH MORE