If you can't remove a computer from your One Care Circle using a hub computer try making a different computer a hub then try to remove the unwanted computer. If you don't have another computer that you can make a hub or if this does not work please contact support. How to reach support - http://social.microsoft.com/Forums/en-US/onecareinstallandactivate/thread/30400b52-7f26-4ba0-bc18-17e305329d90Jim - MVP Windows Live - Forum Moderator - Live One Care - Live Mesh