Command-Lines to directly launch Internet Properities in specific tabs:
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Paz Itzhaki-Weinberger, December 2004 (Thanks to Kfir Ratson).

To operate, Type the commands in the Start -> Run window, or launch from your software.

Command: rundll32.exe shell32.dll,Control_RunDLL inetcpl.cpl 
Result:  Displays Internet Properties, General Tab 
      
Command: rundll32.exe shell32.dll,Control_RunDLL inetcpl.cpl,,0 
Result:  Displays Internet Properties, General Tab (same as above) 
      
Command: rundll32.exe shell32.dll,Control_RunDLL inetcpl.cpl,,1 
Result:  Displays Internet Properties, Security Tab 
      
Command: rundll32.exe shell32.dll,Control_RunDLL inetcpl.cpl,,2 
Result:  Displays Internet Properties, Content Tab 
      
Command: rundll32.exe shell32.dll,Control_RunDLL inetcpl.cpl,,3 
Result:  Displays the Internet Control Panel, Connection Tab 
      
Command: rundll32.exe shell32.dll,Control_RunDLL inetcpl.cpl,,4 
Result:  Displays the Internet Control Panel, Programs Tab 
      
Command: rundll32.exe shell32.dll,Control_RunDLL inetcpl.cpl,,5 
Result:  Displays the Internet Control Panel, Advanced Tab