no route to host
 

hi all, fxp ver- demo , os -xp home,ant vir- norton,int sec -norton,(both nortons switched off when using fxp)i`m using a crossover cable directly linked to xbox, the green lite at plug on xbox and pc are on so i`m taking it as being connected, but when i try to connect it tells me `no route to host', i`m a newb but not stupid, please please please ,can somebody help me, lol