Not that it helps, but it’s running fine for me on Windows. I’m using cmder as my shell. I’m not sure where the hex libraries are stored, but might be worth checking permissions. I’ve had weird things happen with the latest forced update where a process runnings as an admin user is denied write access to some random folders until I fix up the permissions.
Other than that, you could try the sysinternals tools to see what resources mix is trying to access.