There is many error like this :

2014-Jun-18 11:44:44.187531 [P2P1]ERROR c:\projects\quazarcoin\contrib\epee\include\net\abstract_tcp_server2.inl:307 send que size
 is more than ABSTRACT_SERVER_SEND_QUE_MAX_COUNT(100), shutting down connection
2014-Jun-18 11:44:44.207531 [P2P1]ERROR c:\projects\quazarcoin\contrib\epee\include\net\levin_protocol_handler_async.h:638 [23.96.
55.184:1161 INC]Failed to do_send()