WINDOWSLIVE/XBOXLIVE/DOESNT FIND ME WHEN STARTING THE GAME?!?!?!

[:1]I HIT PLAY, IT GOES TO A SIGN IN THINGY, I TRYED SIGNING IN AND IT KEEPS TELLING ME IT DOESNT FIND ME WTF IS GOING ONN WAHHHHHHHHHHH! PLEASE HELP THANK YOU. I CAN DEFF SIGN INTO XBOXLIVE.COM. SO WHY ISNT THAT ONE WORKING?|||it says unable to connect to live, home system or windows firewall bla bla bla... i have my firewall turned off, and i have uninstalled and reinstalled, still same thing.|||

Please verify your signin credentials are correct.

|||im sure they are correct, i can sign into xbox live, it shows my avatar and games etc.. and in windows live market place, it shows my avatar and games as well. im typing correctly, iv been trying since 8pm hahah.|||i am now going to install windows updates, didnt notice i had some, than ill try it agin, if it doesnt work im going to fix the tcp/ip thing.<those are both answers iv found looking at the bored. ifneither of those solutions dont work, do u have any other ideas?|||

ok it looks like doing the TCP/IP thing worked! heres the ling to have microsoft fix it for you for those who may have the same problem! i think ill be greek! =)

http://support.microsoft.com/default.aspx?scid=kb;en-us;q299357