Since there's still the CD and all games lying unsecured next to the executer, I could do for the CD:
Earsing all files. Files and Folders are still exisisting just have nothing to care. I made the same technic to Eshap's French with Rayman. From the CD was just some Kilobytes left
And for the game files I had that idea:
I won't include them in the installation. If the executer detects that those are missing, it tells the user that the game needs an one-time "activation", checks for a valid CD or looks up if GOG's RF is installed and download the neccassary files from an encrypted URL. After the "activation" the games should start without any checks or DRM or whatever you call it.
How about that?



