I have purcased the Arma 2 and Arma 2 : Operation Arrowhead on Steam. Downloaded it my desktop and my laptop. Then my friend wants to try when I'm at his home. I downloaded it to his computer, too. Then we played DayZ. He likes it so much and buy it on Steam like I did. We first erase all single data about steam, six projects, arma 2's, Dayz. Because I don't want him to play with my character. But when he buy the games and installed Dayz we cannot get rid of my character. Now he has to play with my character in his computer. We tried creating new profiles, erasing all the data in all the folders, But it doens't work! Is there any solution for this?