Hi Swashbuckler777,
I apologize for the inconvenience.
I would request you disconnect this computer from the network and try offline activation.
http://helpx.adobe.com/creative-suite/kb/serial-number-validation-launching-cs6.html
(Solution 2: Process Offline Activation.)
Please use a different online computer to generate the response code.
Hope it helps.
Regards,
Anand