MiniSAP login problem

Hii All,

This is Dwaipayan... I have installed minisap 4.6c in my pc... my os is Win XP service pack 2.... i faced the follwing problem when i tried to logon..

description : MBS

application server : my pc name

sap syatem : R/3

system number : 00

I first execute Start SAP MBS engine.. then i tried to logon but it showed the follwing error message:

Sapgui.exe

Failed to set socket option TCP_NODELAY (setsockopt)

An operation was attempted on something that is not a socket.

Pls Help me...It is very very important to me

Thanks