quote:
Originally posted by John Anderton
How can you be certain that the discs aren't damaged?
The layers are quite small and you can't be sure if they were damaged.
Anyway, sometimes it happens that the discs were written at a higher speed than can be read by your device. I hope thats not the case.
The change in OS has nothing to do with this problem.
I recommend you try using the disc on your sisters old pc 
Thanks for your advice.
I'm very certain that they aren't damaged as I haven touch those CDs for more then one and half years; they simply placed in their own CD case, and werer left untouch ever since.
Anyway, I've tried on my sis's PC, but due to slowness, the PC lags and hangs eventually.. -_-"
quote:
Originally posted by rav0
Burning speed is unrelated to reading speed (unless the burn was too fast to work properly on cheap media, then reading will be very slow or not happening on any device, because the disk is just bad).
Try IsoBuster. It's worked for me a few times. It's not free, but a trial is available. I don't know if the trial is limited.
Thanks rav0, I will try that program. (:
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