http://bugs.winehq.org/show_bug.cgi?id=5424
--- Comment #12 from Johan Gill johan.gill@gmail.com 2008-09-08 16:54:08 --- Aha, this is interesting:
If I start wine as "wine D:\Setup.exe", it works, but if I just type "wine Setup.exe" in the right directory, it doesn't work.
The app seems to rely on GetCommandLine() returning a full path.