Microsoft: OneCare should not have been rolled out
Microsoft has said that its OneCare security suite has "a problem" with the underlying antivirus code, and admitted that security is just "a little part of Microsoft".
http://news.zdnet.co.uk/security/0,1000000189,39286351,00.htm
See also recent statement by Microsoft team:
http://blogs.technet.com/antimalware/archive/2007/03/15/hello-world.aspx - Hello world
http://windowsonecare.spaces.live.com/blog/ - Update from OneCare
Thanks to fellow Microsoft MVPs (Susan Bradley, Robear Dyer and Susan Turner) for the above links.