I bought Halo 2 limited edition today and i need some help starting it up. When i press start at the main screen, i choose default profile then XCSGS BaSSx (my XBL profile). Then this is where i need help. It says I have a important message from xbox live and says i need to go to account management on the dashboard. bu tthere is no message for me. If i choose continue offline on the halo 2 screen i cannt play xbox live matches. Help? Thanks in advance