[However, HotBar does track web site visits and also has an autoupdate feature that updates automatically.

For more information you can read the Hotbar Terms of Use.]
http://www.pchell.com/support/hotbar.shtml

http://www.howard.edu/technology/hotbar/

http://www.spywareguide.com/product_show.php?id=481

those should help you get rid of it.