Problems Regeristing Rebellion

Hi, everytime i try to launch Sins Rebellion from steam i get this error message in a note pad.
"Application start: 2012-6-16 19.35.20

Silent mode

Mode 2

Submitting activation request...

Download: failed HttpSendRequest

Result parsing error (1)

Error activating the product

Please ensure the serial number entered is associated with the email you used and attempt to activate again. Include this log file if contacting support.

Using silent activation with null serial mode."

If anyone would know what to do next that would be great, ive already sent a support ticket to steam and stardock for their advice.