>I've been able to use Process.Start(URL) in my normal desktop apps just >fine. It launches the default web browser (or whatever the appropriate >protocol handler is for a non-http URL.
Try launching your desktop app from http. Does Process.Start(URL) still work? You can read messages from the Advanced DOTNET archive, unsubscribe from Advanced DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.