You didn't read the countless posts in this group on this question, did you?
Here's a special repost just for you:
http://www.slipstick.com/problems/link_restrict.htm
--
Russ Valentine
"SeaHorse Ranch" <SeaHorse
(E-Mail Removed)> wrote in message
news:028F1CDD-0FE4-481E-9FBC-(E-Mail Removed)...
> Suddenly, without applying any updates to my PC or any Window Updates, I
> can
> no longer open any hyperlink withinin any email. Error screen appears
> "This
> operation has been cancelled due to restrictions in effect on this
> computer.
> Contact systems administrator". I am the systems admin and I have made no
> changes. I use Vista 64 bit. I have spent hours searching out help within
> Outlook, viewing Control Panel settings, etc. I'm stuck.