http://bugs.winehq.org/show_bug.cgi?id=16143
--- Comment #6 from Tahtu winehq.5.tahtu@spamgourmet.com 2008-11-21 08:35:10 --- http://www.mysqlfront.de/MySQL-Front.exe
Please add a new session by setting a name on the "Basic" tab and the server on the "Connection" tab - maybe "localhost".
After that click to the [Ok] button and close the program. While closing the application the bug occurrs.