https://bugs.winehq.org/show_bug.cgi?id=41267
--- Comment #14 from Anthony Jagers noonetinone@gmail.com --- I'm no longer sure that key is even necessary. I deleted it when I switched to mesa, just to see what would happen. I didn't notice any thing different. But I put it back just for keepsake.
That key was generated by winetricks. The main thing to try is to install those 21 verbs.
I am using the staging patches.