When i click on the kuk bot starter.exe it says "looks like another d2 window is open! close it b4 lauching this" but i dont have another d2 window open.. anyone know how to fix this? I am also having this problem so please someone help and if you have figured out how to fix this please tell me. my life depends on it jk It means you have D2 already up lol. Ctrl Alt Dlt > Processes > Game.exe or Diablo.exe and close those.