There is an updated version of the SDK that works with the final version of .NET Framework 3.0. Make sure you uninstall the previous version before installing the new one. You'll find a link to the new SDK on the getting started page. And please continue...

Hi all, A few people have asked what we've been up to... why we've been so silent. We're developing another cloud service that you'll soon learn about, and we're planning to release an IE7 and .NET Framework 3.0 release compatible version of the Relay...