Save this: <-- Dim pAgent Set pAgent = CreateObject( "DWUpdateService.Agent" ) pAgent.Value("", "ProxyServer") = "http:// : " --> in an VBS file, change to your needs and execute it. Here may be some additional values: pAgent.Value("", "ProxyServer") = "http://proxy" pAgent.Value("", "ProxyUserName") = "myname" pAgent.Value("", "ProxyPassword") = "mypswd" pAgent.Value("", "ProxyByPassServer") = "servername" I have found this in: http://helpnet.installshield.com/robo/projects/updateservice45/AppUpdate_method.htm ... View more