I don't have a good answer except to say that on my sole DVD writer DVD-R disks don't work and DVD+R do. I think the DVD+R disks that I have are single layer only, perhaps? - Nate >> -- "The optimist proclaims that we live in the best of all possible worlds. The pessimist fears this is true." Ham radio, Linux, bikes, and more: http://n0nb.us/index.html