Removing Microsoft Loopback Adapter

If you played a v88 Private MS server, you will have a Microsoft Loopback Adapter automatically installed to your computer. With this adapter in your computer, it would not let you play v83 servers. To remove this, follow the steps below.
Click Start
Right Click My Computer
Click Properties
Click Hardware
Click Device Manager
Click Network Adapter
Right Click Microsoft Loopback Adapter
Click Uninstall
Done

If you have more than one Microsoft Loopback Adapter, then you must uninstall all.