To ensure you have the genuine AnyDVD-CloneDVD and the current version always download these software products from SlySoft (http://www.slysoft.com). To avoid any confusion always provide the Version Number of the software programs you are using to make your backup copies of your Commercial DVD Movie Titles.
Usually the problem you are describing is caused by incompatibly between the blank DVD Media you are using and/or the Firmware version of your DVD Burner. Another possibility is conflicts caused by invasive software programs like Anti-Virus and/or Packet Writing software programs. Also ensure all background activities and Multi-Tasking is curtailed when processing Commercial DVD Movie Title backups.
Suggest obtaining known proven high quality DVD Media. Suggest obtaining either FujiFilm or Sony media ensuring that the package clearly states Made In Japan. A void purchasing FujiFilm or Sony media that is not manufactured Made In Japan because the quality of this DVD media is unknown and considered suspect.
Suggest viewing the below PC World article concerning DVD Burner Firmware.
Suggest visiting the CD Freaks Optical Drive Forum (http://club.cdfreaks.com/forumdisplay.php?f=61) and research for the newest current up to date Firmware for your DVD Burner.
If unable to located the newest current up to date Firmware for your DVD Burner at the CD Freaks Optical Drive Forum suggest visiting the below Web Link.