"Could not initialize Photoshop because the preferences file was invalid (it has been deleted)"
I have this error message and can not open CS6.. just purchased. I had a trail version of it, but when I deleted some plug-ins (as per the manufacturers instructions, as they are not compatible with CS6)... now I have this message.
I went to a forum where they said I had to:
However I don't have any adobe files in my Preferences folder.
Ask such specific questions on the PS product forum.