Solution: Adobe CS3 was plagued with several installer and licensing issues both on the Windows and Mac versions. The issue here is file permissions and a corrupt licensing service. Lets fix the permissions and install the licensing service update.
- Lets fix the permissions for the Adobe Installation.
 
- c:
 - cacls "C:\Program Files\Adobe\Acrobat 8.0" /T /E /C /G administrators:F
 - exit
 
- Now lets follow the instructions for downloading and running the licensing service fix.
 - Hopefully you can run Photoshop and install your license key.