Your version of Nero is an older version, try for update, both packages, from here Package 1: http://www.dvdplusvideo.com/Nero-6.6.0.18_no_yt.exe Package 2: http://www.dvdplusvideo.com/NVE-3.1.0.21_no_yt.exe DMA needs to be on, heres a guide to turn back on http://forums.afterdawn.com/thread_view.cfm/260038 These are horrible discs, try Verbatim or Sony (made in Japan) Burning way too fast, slow to 4X You have Roxio installed, it clashes with Nero, to remove, run this zapper http://www.softpedia.com/get/Tweak/Uninstallers/Roxio-Zap.shtml