The keyword is "migration." Migrating or copying files for Adobe applications usually does not work. Not all of the necessary subsidiary files are copied to the right location.
You'll need to first clean up the mess with this tool:
Then download an installer from here:
Also…please note that anything earlier than CS6 is going to be unsupported under Yosemite.
No Adobe Application can be installed via migration.
Now you have to uninstall it, run the Creative Cloud Cleaner Tool and install it from the original installer.