PC_PS_360_fanboy

i get the message ''The profile cannot be signed into LIVE. There may be a network problem or Windows Live ID service may be unavalible'' i have tried many things and i can log into GFWL program and YES all my anti-virus + firewall is off! please help guys!

1. How do you add new units in game after starting...
2. Can your army be as big as it was in Dawn of War: Dark Crusade
3. Will Relic ever realese an expansion to play other factions in the campagian.
4. Can you use alot of Vechiles (spelling) in the game

please help i have been trying to find the ansrews for over 5 hours!