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.
