If nothing above works, the issue might be a deep Windows registry conflict with XIGNCODE3.
Below is a comprehensive guide to resolving these connectivity issues and getting back into the game. 1. Identify Software Conflicts elsword channel server connection failed
If you are using Windows Defender, Norton, McAfee, or Avast, you need to add an exception for the Elsword directory. If nothing above works, the issue might be
Consider switching to Google Public DNS (8.8.8.8 and 8.8.4.4) in your adapter settings for a more stable connection. If nothing above works