Не знаю, поможет ли лог, вот такой:
12/7 00:04:24.924 GRUNT: state: LOGIN_STATE_CONNECTING result: LOGIN_OK
12/7 00:04:25.195 GRUNT: state: RESPONSE_CONNECTED result: LOGIN_OK 178.16.125.45:3724
12/7 00:04:25.225 GRUNT: state: LOGIN_STATE_AUTHENTICATING result: LOGIN_OK
12/7 00:04:25.422 GRUNT: state: LOGIN_STATE_CHECKINGVERSIONS result: LOGIN_OK
12/7 00:04:25.454 GRUNT: state: LOGIN_STATE_HANDSHAKING result: LOGIN_OK
12/7 00:04:25.554 GRUNT: state: LOGIN_STATE_AUTHENTICATED result: LOGIN_OK
12/7 00:04:25.556 ClientConnection Initiating: COP_CONNECT code=CSTATUS_CONNECTING
12/7 00:04:25.737 ClientConnection Completed: COP_CONNECT code=RESPONSE_CONNECTED result=TRUE
12/7 00:04:25.737 ClientConnection Initiating: COP_AUTHENTICATE code=CSTATUS_AUTHENTICATING
12/7 00:04:25.894 ClientConnection Completed: COP_AUTHENTICATE code=AUTH_OK result=TRUE
12/7 00:04:26.393 ClientConnection Initiating: COP_GET_CHARACTERS code=43
12/7 00:04:26.477 ClientConnection Completed: COP_GET_CHARACTERS code=44 result=TRUE
12/7 00:04:28.360 GRUNT: state: LOGIN_STATE_DISCONNECTED result: LOGIN_OK
12/7 00:04:29.928 ClientConnection Initiating: COP_LOGIN_CHARACTER code=76