this is really for command and conquer generals and zero hour. i have the delux edition with 4 discs and codes. i get the cannot locate the cd-rom error when i go to play both of these games after i have installed them? i cant call or talk to anyone directly now i guess so i have to email you guys on here.
if you have emulation software like Demon Tools or Alcohol 120% then make sure you don't have more than 1 virtual drive.
You could also try removing the software too in "Add/Remove Programs" (XP) or "Programs & Features" (Vista/7) in control panel.