http://bugs.winehq.org/show_bug.cgi?id=27256
--- Comment #1 from fracting fracting@gmail.com 2011-05-22 12:48:12 CDT --- The installer of scilab also has the same problem.
http://www.scilab.org/download/5.3.2/scilab-5.3.2.exe
scilab is also open source, code is available at : http://www.scilab.org
$ sha1sum scilab-5.3.2.exe 80163ce86874636d061aadbc90adbd758d3be913 scilab-5.3.2.exe