Firmware update available from here http://www.liteonit.com/DOWNLOADS/ODD/SHM-165P6S/firmware/DR16MS0R.zip Although you are using good quality discs, slow burn to 8X You have Roxio installed, it clashes with Nero, to remove, run this zapper http://www.softpedia.com/get/Tweak/Uninstallers/Roxio-Zap.shtml