I need help on backing up Command&Conquer Tiberian Sun.

[didier]

I have Command&Conquer Tiberian Sun. I dohave Serial Number.
I made a "normal" burn but it didn't work.
I have an HP 1x-4x cd-writer 8230e and Imation CD-R 700MB/80Min 1x-16x Compatible.
I've had problems with a "2x 4x 6x 8x 12x 16x Speed" Cursor CDs.

I would appreciate if YOU could help me!!!

Thanks.