TigRgame Posted September 1, 2014 Posted September 1, 2014 Hello. I have just started playing DCS World and i think its awesome. But i have one problem. I wanted to get the A-10C Warthog and i was lucky a friend had a spear key he baught for a friend a while ago. I activated the key and it said it was 9 activations left. SO that went fine. The problem now is that when i enter the multiplayer section in the game, log in, it says "Invalid serial number". I talked to a guy that said that this was a "common" problem among users, but i cant find anything about it. Could anyone help me please? I cant wait to try out the A-10C Warthog :)
IIIAVIII Posted September 1, 2014 Posted September 1, 2014 (edited) Seems like your friend's key is not bound to your account. http://www.digitalcombatsimulator.com/en/faq/Multiplayer/ Edited September 1, 2014 by IIIAVIII
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