Originally Posted by ianc
Make sure you have 'Single Selection Action' set to 'Find in Dictionary' and 'Text Selection with double tap' checked in the little pointy finger section of the options, and your dictionary setting set to Fora,
Wow! Solved half of my problem.
The rest of the problem is that the simplest word, can not be found by Fora and all I get is "No results" and the usual links. By simplest word , I really mean any word. It can never find any word but at least your fix has simplified getting there.