embedded porn search in internet explorer

From: Bob O (shibobo2_at_juno.com)
Date: 04/30/03 

Date: Wed, 30 Apr 2003 06:37:16 -0700

When using MS Internet Explorer, I will occasionaly get a
screen freeze up and automatically recieve porn look ups.
The only way to get out is to Cnt-Alt-Del to task manager
then end task. I have put many sites into security block
but new ones keep popping up.