I am selling my old copy of Jaguar on eBay. I bought it, and then bought a G4 iMac with it preinstalled a few months later. I just realized I still had everything for Jaguar and that I could make a few bucks on eBay from it. I did register online when I first installed it on the G3. So, is this going to cause difficulty when the new owner tries to install it? Is there a way to cancel my registration or something to that effect?