http://bugs.winehq.org/show_bug.cgi?id=25514
--- Comment #2 from Austin English austinenglish@gmail.com 2010-12-13 18:23:14 CST --- (In reply to comment #1)
didn't find the log file in /var/log and .wine folder, where is it?
It gets printed to stderr. If you're running wine from X rather than a terminal, try looking in ~/.xsession-errors.