http://bugs.winehq.org/show_bug.cgi?id=23131
--- Comment #2 from Nikolay Sivov bunglehead@gmail.com 2010-06-11 20:12:30 --- Run it from terminal and attach (http://wiki.winehq.org/FAQ#get_log) terminal output as a plain text file.
Also it makes sense to try 1.2-rc3 first.