https://bugs.winehq.org/show_bug.cgi?id=39559
--- Comment #2 from Lunar pdaut01@hotmail.com --- (In reply to Nikolay Sivov from comment #1)
What is your Wine version? Application version and download location? Steps to reproduce?
I’m on wine version 1.7-i386 download SynthFont at http://www.synthfont.com/#SynthFont steps to reproduce 1. load your midi file 2. file -> Set Default Soundfont File 3. browse to the folder where your Soundfont is 4. click on the folder on the left side where the folders are that’s how it happens to me