Zabbix_Server cannot run

[dakkonz]

I got a problem. Apparent zabbix_server cannot be run. In the web interface, the error i got was Unavailable. Connection Reseted by Peers

in the log file i got the following error when i run ./zabbix_server

022580:20060316:154004 Starting zabbix_server. ZABBIX 1.1beta7.
022582:20060316:154004 server #1 started [Alerter]
022584:20060316:154004 server #2 started [Timer]
022586:20060316:154004 server #3 started [ICMP pinger]
022589:20060316:154004 server #4 started [Escalator]
022580:20060316:154004 Cannot bind to port 3765. Another zabbix_server running? Shutting down...
022580:20060316:154004 ZABBIX server is down.
022580:20060316:154004 One server process died. Shutting down...
022580:20060316:154004 ZABBIX server is down.

Please Help.... thanks