How do I resolve this?
Kevin
You might try uninstalling both versions now with their respective Adobe uninstallers, then looking for, downloading and running CS3CleanScript. It's a long shot, though.
Kevin
Had previously a 30 day trial of CS3 Photoshop
Yes, multiple versions of Photoshop can coexist happily on the same drive.
There were problems last year with copies of the trial versions on DVD. Maybe this time it's the same. Try downloading the trial version, or call Adobe Customer Service.