Hi,
What needs to be done on your mcafee would be to uninstall and reinstall the mcafee program from your computer so that the files will be refreshed and it will recognize that you have a valid msn subscription.
Here are the links on how to uninstall and reinstall mcafee.
To remove mcafee.
http://answers.msn.com/solution.aspx?solutionid=c6f13cc3-f6e7-48a6-9f29-791d18014988
and to reinstall mcafee.
http://answers.msn.com/solution.aspx?solutionid=98a6edf8-c45d-49ef-8cad-bca7f224759e
Hope this helps.
Thanks!
Paolo M.