https://bugs.winehq.org/show_bug.cgi?id=49993
--- Comment #1 from Michael Lelli toadking@toadking.com --- The source code that uses the class in question: https://github.com/gchudov/cuetools.net/blob/4de0c06ba84ad5e3d56f01a25695211...
It looks like it's part of code that tries to load extra assemblies from the "plugins" folder.