The CloneCD tutorial in ####://www.psxcopyworld.co.uk is definitive. If you use it in conjunction with the CLONY software/tutorial, CD games will be copied correctly every time.

The key point is that the CD reader and CD burner must be fully CloneCD compatible for protected games to copy correctly. That means they/it must support RAW-DAO+96. Check your equipment against the list at ####://www.elby.de and let us know how you get on.