Troubleshooting
All content about Troubleshooting — 5 results.
Troubleshooting
How to fix file permission errors on Linux when running a MU Online server
Diagnose and fix Linux file permission errors (EACCES, Permission denied, failed log writes, or socket errors) on MU Online servers running under Wine, Docker, or bare metal.
Common MU Online server errors and how to fix them
Complete troubleshooting guide for the most common private MU Online server errors: the Connect Fail diagnostic process (6 layers from server to client), why the GameServer closes immediately (4 causes with specific fixes), SQL Server connection errors (5 problems and solutions), why the client won't open (4 causes including antivirus, Visual C++, DirectX), the character list loading empty (ODBC and account level issues), items disappearing after server restart (backup and database commit settings), server lag and high CPU usage causes, how to read server logs to diagnose unknown errors, and the golden rule for troubleshooting: one change at a time.
How to fix the gray screen at login in MU Online
Diagnose and fix the gray screen that freezes the MU Online client at login, covering causes in the ConnectServer, the client, DirectX, and server network configuration.
Advanced Connectivity Troubleshooting on MU Online Server
Diagnose and resolve advanced connectivity issues on MU Online servers: ports, firewall, ConnectServer, GameServer, and SQL database configuration.
How to fix the black screen after login in MU Online
Fix the black screen that shows up right after a successful login in MU Online, covering map loading failures, incompatible graphics resolution, missing client files, and GameServer issues.