On the untimely death of my beloved computer (thank goodness I backup regularly!) I purchased a new one and loaded CS2 software on it. When I tried to use it I was given the following message: Your Adobe Photoshop user name, organization, or serial number is missing or invalid. The application cannot continue and must exit. I have tried chatting with the support people and communicating with their online support services but no-one has been able to help. Can you?