I know there are several threads but I am so lost it isn't even funny. OpenOffice quit unexpectedly Mac OS Sierra.Following the link below, please restart your Mac in Safe Mode, then uninstall and reinstall Family Tree Maker and see if you are still experiencing issues. Starting your Mac in Safe Mode starts Mac OS X with a minimal set of programs and can help troubleshoot many issues.There are similar issues but they appear to be resolved by using electron-builder 21.2.0. The application quits with the message: quit unexpectedly. Mail app quit unexpectedly on Mac OS X 10.10 Yosemite Mail app quit unexpectedly on Mac OS X 10.10 Yosemite.