0033 is a net framework error. See this Microsoft Knowledge Base article for resolution -
http://support.microsoft.com/kb/912968/en-us
If you continue to have installation issues please contact support. One Care 1.6 support - http://forums.microsoft.com/WindowsOneCare/ShowPost.aspx?PostID=1183038&SiteID=2
One Care beta 2.0 support - http://help.live.com/help.aspx?project=onecarev2&mkt=en-US