Same Error Unable to write to Exception: Cannot open file - C:/Users/Public/Daybreak Game Company/Installed Games/EverQuest II/EverQuest2.exe (13) - http://eq2.patch.daybreakgames.com/...zs/f2/906/bdd373d88de58e6fe3dccc99c5cdbce8db2. The file may be in use or you may lack the necessary permissions to install. cant run from everquest2.exe. app version mismatch Renamed everquest2.exe app and re ran patcher .. Was able to play game Hope that helps