idatater46,
Uninstall any third party antivirus or firewall application that is installed on your computer.
Then follow this Knowledge Base Article for further steps.
http://support.microsoft.com/kb/943767
If that wont resolve the problem contact support.
How to reach support (FAQ) -
http://forums.microsoft.com/WindowsOneCare/ShowPost.aspx?PostID=2421771&SiteID=2