My firewall is down, I can not re-erect. Please advise.
Try the Firewall repair tool - http://forums.microsoft.com/WindowsOneCare/ShowPost.aspx?PostID=2468376&SiteID=2
Contact support if that does not help -
How to reach support (FAQ) - http://forums.microsoft.com/WindowsOneCare/ShowPost.aspx?PostID=2421771&SiteID=2