If this is a new install and you do not have a subscription already, you cannot activate a new subscription any longer. The retail copy is not activated at purchase, but as part of the
install. So, the admin issue is a moot point.
See this post:
http://social.microsoft.com/Forums/en-US/onecareinstallandactivate/thread/0000c782-ed1b-4ed3-8afb-87989bb9638c
-steve
~ Microsoft MVP Windows Live ~ Windows Live OneCare| Live Mesh|MS Security Essentials Forums Moderator ~