Bad seireal number at setup?

[Doomclap 0]

What does bad siereal number given at setup mean? i just bought i and updated it through steam. and got six updated adn thats what it says. please help!

[Sweet Meat 5]

This is a common problem which is easily fixable. Start by running Arma II, then run Arma II Operation Arrowhead, If either of these don't run, do not worry. They didn't for me the first time. I just restart my computer and then right clicked Steam pressing "Run as Admin" then loaded both Arma games up. I then was able to get in through Six Launcher. I hope this helped. Some people don't have to restart, but my friend was having glitches with his game when he didn't restart. So I would recommend restarting no matter what.

[Doomclap 0]

thanks ill give it a shot.