Win 7 Ultimate 32bit, have tried Nero 10, InfraRecorder, Ashampoo Burning Studio 10, StarBurn, Smartburn, AVS disk Creator, Amok, all work intermittently making DVD's, all work makig CD's(data, have not tried audio), Lite-On SHM165-6HS, HSOE firmware, anyone else ever have problems, I am beginning to think it is the disks