A AdamsMcCall New Member Aug 13, 2012 #1 Hello. I made a non-steam Counter Strike Source, and it works fine but when I launch a map, it says "CD key authentication invalid for internet servers". Anyone know how to avoid that?
Hello. I made a non-steam Counter Strike Source, and it works fine but when I launch a map, it says "CD key authentication invalid for internet servers". Anyone know how to avoid that?