I have the same problem but the link corrupt are simply bbpress topic link with “soundmanager2.swf” final suffix.
Example the right link is “http://mysite.tld/forums/topic/hello” but user go to 404 page because they have the link http://mysite.tld/forums/topic/hello/soundmanager2.swf !!!
I am nerd… i hope this news can help you to resolve.
sorry my topic is not complete…
My user can’t can’t start topic because don’t see the button!
Thank Melindrea, you are wise man, but unfortunately I have not found one css file that applying changes…change anything !!!
but thank you 😉