>downloaded from my old Mac?
Mac Migration and Time Machine DO NOT WORK with Cloud program activations due to hidden files
Sign out of your account... Uninstall... run the Cleaner...
-http://helpx.adobe.com/creative-cloud/help/install-apps.html (and uninstall)
-using the cleaner after uninstalling and before reinstalling is needed
-Restart your computer... Sign in to your account... Reinstall