Just keep in minmd, even if you will find a great program to prevent cd to cd copy, or cd to hdd copy, there will always be a reader that can do it. Nobody checks how well their software does against every brand and model of cd-rom. From my experience, there is always a fluke and a way around copy protection. If you aim to prevent the average user from copying, then try all of the suggested methods here. Just keep in mind its never full proof.