console problem and gui problem

Hi Experts,

This problem regarding consle problem. I am not getting tree of the concole

I am getting error like partner not reached (host, service sapdp00)

Component : NI (network interface)

Release 640

version: 37

module: nixxi_r.cpp

line : 8588

Method: Nipconnect2

Return code = -10

system call : SipeekPendConn

Error No 10061

Error text: WSAECONNREFUSED: connection refused

counter 1

gui is also not opening and giving message "partner not reached (host, service sapdp00)

Please suggest do i need install again sap (or) is there any suggestion. Please help me

Thanks in advance