Try logging into a less populated channel first. If you can connect there, the issue might be specific to a congested "Busy" channel. 2. Configure Firewall and Antivirus
Do not reinstall yet. Use the built-in launcher: elsword channel server connection failed
This error typically appears when you launch Elsword, after logging in but before reaching the character selection screen or village. It means your client successfully contacted the login server but failed to establish a stable connection with a specific (the server instance handling in-game actions, dungeons, and towns). Try logging into a less populated channel first