A show or two ago you were talking about making music cds for the car. I think I heard a very passing mention of burn speed. I have some painfully-acquired info for you: If your blank cds say 16x, that’s not a maximum and you won’t get better burns of you do it more slowly. If they say 16x or whatever x, that’s the x that they WANT to be burned at. And if you try to do them a favor and burn at a lower speed, they will come out marginal or bad.
Your experience or opinion may differ, but if you’re getting mystery failures (there was nobody who knew this when I was having the problem), there’s your problem right there.