I typed up an issue with Vuze, but when I click "Post Thread" it returns a 404 error? I don't know if it will do the same thing when I post this bug as well.
( it appears that even though I copied the URL of my post in the open forum, here it said "404 Not Found" when I pasted the link in my other post in this forum).
Some people reported this a few days ago due to a captcha not working properly - it was changed yesterday (or day before?) though and appears to be ok.