Aaaaarrrrgggghhhhh! I'm having a brain-dead day, and this issue has really started to annoy me!

I have been a fairly long-time user of Firefox. I generally keep it up-to-date, but I haven't yet updated to 3.5 - I'm currently on 3.0.11. I am getting a "Firefox prevented this page from automatically redirecting to another page" on most forum pages in Ausphotography. I have pop-ups blocked - with exceptions (including Ausphotography - even though I don't think this is the issue).

What am I missing here? What else do I need to set so I don't get the constant redirection warnings?