Photoshop CS4- valid key showing invalid?

360 views1 repliesLast post: 11/28/2008
I'm hoping someone can help...

We have a 5 user license for Photoshop CS4 extended, and the first machine I've tested on has returned a red cross indicating an invalid license key when this is entered. However, the same key has subsequently been accepted for 2 other Windows installs on very similar machines.
This is a full install license as it has successfully installed CS4 alongside CS3 on one of the clients.

I have tried uninstalling all Adobe Photoshop related products including Bridge, etc from the problematic machine (and also ensured the HKLM\Sofwate\Microsoft\Windows\Currenversion\Uninstall\ key is cleared of such products) restarted and attempted install again but it's still not accepted.

I'm suspecting this one workstation has something left over in the registry or perhaps a file/folder that is confusing the key check. Could anyone suggest anything?

I have left the install on the 30 day trial so that it can at least be used (and tried entering the key after this installed successfully with no luck).

Thanks in advance!

Rhys
#1
Call Adobe. Installation issues are handled free of charge.

Bob
#2