Mac migration (or Time Machine) do not work with Cloud program activations
Uninstall... run the Cleaner... Restart your computer... Reinstall
-using the cleaner after uninstalling and before reinstalling may help
-http://helpx.adobe.com/creative-cloud/help/install-apps.html (and uninstall)
-http://helpx.adobe.com/creative-suite/kb/cs5-cleaner-tool-installation-problems.html