Does anyone know about this and, more importantly, how to remedy it? Since upgrading to Mojave OS10.14, when using QuickBooks for Mac desktop 2016, the application crashes when quitting. Scenario 1 : QuickBooks Application Crash in Mojave? Today in this article we will troubleshoot QuickBooks issue and get it working. Overview: Many Mac users are not able to work with QuickBooks after upgrading to macOS Mojave, it crashes/freezes or does not open at all.