http://bugs.winehq.org/show_bug.cgi?id=17837
--- Comment #4 from Dylan Smith dylan.ah.smith@gmail.com 2009-03-25 10:40:43 --- I was able to reproduce the bug with your description, although there is no need to enter text before hitting the clean button.
I also tested in wine-1.0.1 and wine-1.1.14. Both of these versions had the same crash. Can you find a version of wine without the "regression". Make sure it isn't a different version of the application that is causing the crash.