When you connect to Windows Servers and get an error message that states “Remote Desktop Web Connection ActiveX control could not be installed. A connection cannot be made without a working installed version of the control. Please contact the server administrator.” you will need to do the following steps.

• Download the file located here to clean your registry.
• When prompted tell Windows to Open the file.
• Double click the rdpfix.reg file
• Answer Yes | OK | Yes | OK
• Open http://search.live.com/results.aspx?q=Remote+Desktop+Web+Connection+Type+the+name+of+the+remote+computer+you+want+to+use&go=&form=QBRE
• or go here - http://www.my-remote.com
• You will be prompted to install the ActiveX control (yellow notification bar below the address bar in Internet Explorer)

Other Links:

http://www.remotelogin.com
http://www.iremoteit.com
Remote Desktop Connection (Terminal Services Client 6.0)