What does it say if you click on it????
If in IE a box should normally open up.
One quick question? Do you ensure your forums are fully working prior to making another change on them? if not your problems could stem from a number of places.
Bearing in mind all your current issues, might it not be easier to start again with a fresh install and then make changes one by one.
I would also suggest making notes of what changes you make so that you can undo them if they go wrong.
