https://bugs.winehq.org/show_bug.cgi?id=53085
--- Comment #3 from Ken Sharp imwellcushtymelike@gmail.com --- (In reply to Austin English from comment #2)
Does removing wine-mono via 'wine uninstaller' change anything?
It does! No error.
That said, arguably the real bug is that it doesn't see wine-mono as enough to satisfy it's dotnet20 check..
Plus it seems to be a dotnet40 app (Bug 53088).