Nope, I have downloaded the software 4 times, the problem you may be facing the dirty len's that won't be able to read dvd or cd.
You can clean it by yourself or from a technician.
for more information to how to open the player inbox me your number, i will tell you. it is very easy to do.
BTW tell us how you've got dvd or cd, if anyone know the procedure to download, i request him to share here to help others.
regards