I keep receiving this error. What should I do?
If you are failing with that error and installing the 2.0 beta, please contact support.
Support for 2.0 Beta - http://help.live.com/help.aspx?project=onecarev2 - use the "Get More Help" link in the lower right of the page to contact support via email.
Please file a bug on Connect: https://connect.microsoft.com/site/sitehome.aspx?SiteID=168
See the Bug Submission Guide - http://connect.microsoft.com/content/content.aspx?ContentID=3480&SiteID=168 - for details on how to create and submit the Support Log zip file with your bug.
If you are trying to install the 1.6 trial or subscription version from http://onecare.live.com, Support for v1.6 is via the information here - http://forums.microsoft.com/WindowsOneCare/ShowPost.aspx?PostID=1183038&SiteID=2
-steve