Completely delete contacts

From: Please Help (PleaseHelp_at_discussions.microsoft.com)
Date: 03/01/05 

Date: Tue, 1 Mar 2005 10:25:06 -0800

Hi there, I share a computer and therefore wish to remove all traces of
people that I have spoken to. However even though I can delete them from my
contacts list, I seem unable to remove them from my block list under the
privacy tab. can anyone help me?? I would be very very grateful.

Many Thanks