It could be that the CD wasnt finalized before you got it. With standalones the disc remains "open" so that it can be written to repeatedly (so you can record something, stop the burner, record something else, stop the burner, record something else). After you are totally done recording you than finalize the disc, which makes it readable in other players, burners, etc. I have had this problem before and it sounds similar to what you are experiancing. I ended up putting it in a tascam CDRW-700 and was able to finalize it with it. Then it was fine. good luck.