Is there a way to launch the IE proxy settings dialog from the Windows command line to save time going through menus in any application?
Okay, I made a 15 minutes research for you and got following commands and a link.
To Open Internet Settings
inetcpl.cpl
To Open Internet Settings with Connections Tab
rundll32.exe shell32.dll,Control_RunDLL inetcpl.cpl,,4
For more information http://discussions.virtualdr.com/archive/index.php/t-41613.html