http://bugs.winehq.org/show_bug.cgi?id=35311
--- Comment #1 from Bruno Jesus 00cpxxx@gmail.com --- Missed the attachment. Read this to get a log: http://wiki.winehq.org/FAQ#get_log
Did you upgrade wine and then it stopped working? Try reinstalling in a clean prefix.
What wine version? If not 1.7.10 you should update and try again.