After burning 2 DVDs I got an error saying I had to reformat them. They were just formatted before I wrote the files. Perhaps the problem lies in removing them from thin jewelry boxes. They don't have a middle button that you have to press to get them out of the case. So maybe I messed them up by pulling up on the sides. I've since discovered that you can press down on the center (which is actually the inside back of the case) and this will pop the DVD out. Throw away 2 bad ones. 2 more work.
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