Not to sound stupid, but...
 

In certain sections, if I click on any thread at all, I get a forum message saying something like "You cannot view this forum because x"?

Try now. I think you'll find everything to be working. :)

You weren't in the privileged user group yet. But now you are. ;)

Oh thank you!

I 'm always doing something stupid here. So don't feel bad lol

That's why we call her Grandma!!