Aliens Vs. Predator 2 - How To Play Multiplayer Using "Project Savior"
 

A tutorial I made that explains how to properly install "Project Savior" - A mod that provide alternative master server in order to play online.
(The original master server was shut down by Sierra)
This tutorial explain how to avoid the auto updater "I/O Error 123." so you could play online.

http://yoni0505.blogspot.com/2012/03...w-to-play.html

I hope someone will find it userful!