Watir help in clearing security warnings

my watir script works till it hits this security warning and get
stuck. appreciate any help in overcoming this window.

$ie2 = Watir::IE.attach(:url, url) # it gets stuck here.
$ie2.link(:text ,“Expand All”).click # need to go here.

screenshot of the security warning.
http://screencast.com/t/dEuotmujmm0