Just open up AE(or any adobe program) go to help and click "Deactivate". I've never had a problem moving plugins from one computer to another.
Johnny Cuevas, Editor
"I have not failed 700 times. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work."
---THOMAS EDISON on inventing the light bulb.