Unwanted Icons

From: Steve (anonymous_at_discussions.microsoft.com)
Date: 12/13/03 

Date: Sat, 13 Dec 2003 14:22:26 -0800

Every time I log on, several unwanted icons appear on my
desktop (links to unwanted websites) and my "favourites"
list has been updated with links I do not want. Even
though I delete them they are there the next time I
reboot.
Can anyone suggest how to stop this?
Thanks