I got a problem whenever I join a server I got this error. "C:\Users\Kenneth\Documents\Arma2\@DayZ\addons\dayz_anim.pbo", C:\Users\Kenneth\Documents\Arma2\@DayZ\addons\dayz_code.pbo", C:\Users\Kenneth\Documents\Arma2\@DayZ\addons\dayz_communityassets.pbo", C:\Users\Kenneth\Documents\Arma2\@DayZ\addons\dayz_equip.pbo", C:\Users\Kenneth\Documents\Arma2\@DayZ\addons\dayz_sfx.pbo", ... are not signed by a key accepted by this server. To play on this server remove listed files or install additional accepted keys." I used Play withSIX.