Is your issue with Windows Live OneCare - http://onecare.live.com ?
If so, and you are a subscriber, you have access to support per the instructions here:
How to reach support (FAQ) - http://social.microsoft.com/Forums/en-US/onecareinstallandactivate/thread/30400b52-7f26-4ba0-bc18-17e305329d90
If your issue is with Windows Live Hotmail or Windows Live ID (or any other Windows Live application or service, actually) you need to start here:
http://windowslivehelp.com - where you will find answers to common issues and help from Support staff as well as community via the forums.
This forum is for Windows Live OneCare only. It is a community forum and is not formal support. The moderators here are volunteers and do not work for Microsoft.
How and where did you submit a support case and what is the case number? I can forward that to Microsoft for investigation.
You may also want to review this post:
https://windowslivehelp.com/solution.aspx?solutionid=6ea0c7b3-1473-4176-b03f-145b951dcb41
And also this blog entry from the Windows Live team:
http://windowslivewire.spaces.live.com/blog/cns!2F7EB29B42641D59!42740.entry
-steve
~ Microsoft MVP Windows Live ~ Windows Live OneCare| Live Mesh|MS Security Essentials Forums Moderator ~