http://bugs.winehq.org/show_bug.cgi?id=14771
--- Comment #9 from Austin English austinenglish@gmail.com 2009-04-11 00:47:42 --- (In reply to comment #8)
Yup. Is that the cause?
Well, that's the behavior I see on Windows. However, wine reports the user is an administrator, so while there may be a firefox bug, there's also a wine bug.