https://bugs.winehq.org/show_bug.cgi?id=40260
--- Comment #4 from Olivier F. R. Dierick o.dierick@piezo-forte.be --- Bug also there in a 32-bit wine prefix.
Through regression-testing I found that reverting these two commits restores the launcher functionality:
---this one makes the launcher throw SIGSEGV--- Commit: f1157511a7f256b8e2966ba429fc665b4a0fa57c URL: http://source.winehq.org/git/wine.git/?a=commit;h=f1157511a7f256b8e2966ba429...
Author: Vincent Povirk <vincent at codeweavers.com> Date: Fri Feb 26 13:08:54 2016 -0600
mscoree: Update Wine Mono to 4.6.0.
---this one makes the buttons in the launcher unresponsive--- Commit: 4d44363e604858a93da3dcb41fd91938fdc4c227 URL: http://source.winehq.org/git/wine.git/?a=commit;h=4d44363e604858a93da3dcb41f...
Author: Andrew Eikum <aeikum at codeweavers.com> Date: Tue Jan 12 08:36:07 2016 -0600
mscoree: Set config path for default app domain.
After reverting the commits I also had to manually remove a left-over NULL argument for the compile to succeed (probably left-over from a failed hunk I didn't notice).