My sister and I have the same computers running Windows XP,with the same burners,using the same versions of Any DVD 6.1.3.3. and Clone DVD2 2.9.0.3 the same dvd players(cheap magnavox),using the same blank media(Taiyo Yuden 16x DVD-r) but when she copies a disc the copy will not play on the Magnavox DVD players but they will play on other dvd players(GPX,more expensive Magnavox and Tevion) When I copy using her media, the disc will play on all dvd players. Also her copies work using less expensive blanks (TDK-MEMOREX) We are perplexed..........
A warning! Firmware can be deadly to a burner, Updateing...Checking...ETC...if you've never worked with burner firmware "STAY AWAY FROM IT!"
Firmware could possibly be the answer. Flashing firmware is not dangerous to your optical drives if you get the updates from a reliable source. The most reliable, of course, would be from the drives manufacturer site. Flashing your drive with any firmware that it not from the manufacturer will void your warranty.