hello i am following the "Fun with Ettercap Filters" on the iron geeks website

i had this "attack" up and running great yesterday, but today when i ran it i get

Filter Ran.
Filter Ran.

and

zapped Accept-Encoding!

but the attacked computer doesn't seem to be affected. I have cleared my browser cash but still nothing
what could be the issue

thanx

sorry forgot to post bt3 in vmware
ettercap 0.7.3
rausb0 interface