*** WSAENOTCONN – 10057 *** Description Socket is not connected. Notes A request to send or receive data was disallowed because the socket is not connected and (when sending on a datagram socket using sendto) no address was supplied. Any other type of operation might also return this error—for example, setsockopt setting SO_KEEPALIVE if the… Continue reading *** WSAENOTCONN – 10057 ***