http://bugs.winehq.org/show_bug.cgi?id=22403
--- Comment #9 from Vitaliy Margolen vitaliy@kievinfo.com 2010-04-18 23:03:45 --- (In reply to comment #8)
I've found PBVM115.DLL it's in /Users/richardmackie/Wine Files/drive_c/posh which is the program directory, were the program exe file is.
Then you starting your program wrong. Make sure to 'cd' into programs directory before running it.