I am having the issue described here: http://support.microsoft.com/kb/954522
#16192 - The E-mail Router service could not run the service main background thread. The E-mail Router service cannot continue and will now shut down. System.Configuration.Confi
ion: System information was not specified in the E-mail Router service configuration file. The E-mail Router service cannot continue and will now shut down. ---> System.Xml.XmlException: Root element is missing.
However; The fix of removing the XML file and restarting the service has no effect. I am on rollup 16.