When I try to install one care i get this error code
error code: 0038-80070666
That is very helpful.
What does this mean?
Try running the cleanup tool - http://forums.microsoft.com/WindowsOneCare/ShowPost.aspx?PostID=2421771&SiteID=2
You can also look at this post on troubleshooting installation issues - http://forums.microsoft.com/WindowsOneCare/ShowPost.aspx?PostID=1588602&SiteID=2
If installation continues to fail please contact support. How to reach support - http://forums.microsoft.com/WindowsOneCare/ShowPost.aspx?PostID=2421771&SiteID=2