There are a few questions though...
Are you running NX for the first time? Did it work before?
Did you just install NX for the first time? Is the license server on a different client/server? In that case, do you have network connection?
Ronald van den Broek
Senior Application Engineer
Winterthur Gas & Diesel Ltd
NX9 / TC10.1.2
Building new PLM environment from Scratch using NX12 / TC11