gistfile1.txt

Unhandled Exception:
  System.TypeInitializationException:
    An exception was thrown by the type initializer for System.Net.Dns --->
      System.TypeInitializationException:
        An exception was thrown by the type initializer for System.Net.Sockets.Socket --->
          System.Configuration.ConfigurationErrorsException:
            Error Initializing the configuration system. --->
              System.MissingMethodException:
                Method not found:
                  'Default constructor not found...ctor() of System.Configuration.ExeConfigurationHost'