[QUOTE=shmoove;2047860]It only worked once on 4x. That is what strange to me.[/QUOTE]
Well the thing is with Memorex. They use a variety of different manufacturers, and while some can be good, others can be a bit variable in quality. Unlike with Verbatim (or something like Sony, to a lesser extent), where you know what you’re getting.
Just to cover all bases, what burner do you have?