This is the message that i'm geetting while i'm trying to reinstall windows live one care. The message also states one or more components of windows live one care did not install successfully. Error ID 0019-80070643.
Cleanup tool - http://social.microsoft.com/forums/en-US/onecareinstallandactivate/thread/399071e2-49dc-4767-932d-d261e3965943/
How to reach support (FAQ) - http://social.microsoft.com/Forums/en-US/onecareinstallandactivate/thread/30400b52-7f26-4ba0-bc18-17e305329d90-steve