http://bugs.winehq.org/show_bug.cgi?id=15825
--- Comment #12 from Jeff Zaroyko jeffz@jeffz.name 2008-11-10 15:44:25 --- (In reply to comment #11)
There is really a difference between the two starting operations. I have heard about it before and it is a Wine bug. Likely it is a duplicate of another bug though.
Works fine for me, just use wine start /unix CChat.exe