Just a followup on my earlier note.  This morning before my hours of creating monthly reports, I first went into the preferences and edited a setting that hopefully turns off some of the QB optional messaging that happens in the background.  In the logs things were pointing to failure in the new QBrowser component, but I wasn't intentionally ever using it.  So I found the setting that turns some of that off. 

Specifically, I went into edit preferences... General settings... and selected "Turn of pop-up messages for products and services." 

Today, for the first time since about May or June, I had an hours long session with no crashes.  It would be nice to know if anyone else can duplicate this result.