Unable to launch MapleStory with the GameLauncher.exe file

If you receive a Runtime error, "This account has not been registered" error, or your client crashes while attempting to launch MapleStory using the GameLauncher.exe file, please try the following workarounds:


  1. Use the Nexon Launcher or Steam to launch the client and log in.
  2. Wait ~3 minutes for all the data to be loaded before you log in to get EULA page properly.
Have more questions? Submit a request
Powered by Zendesk