With LV 8.20 and Mac OS X 10.4.8
Open LV, and by default it opens a blank window.
(preferences
IsFirstLaunch: False
showNoNavDialog: True
skipNavigatorDialog: True
)
Close the blank window titled "Untitled 1 Front Panel" using the "close button"
Note that in the Window menu, "Untitled 1 Front Panel" and "Untitled 1 Block Diagram" both still exist.
Select "Untitled 1 Front Panel" in the window menu.
LV will crash as it tries to display a non-existent window
Crash at VirtualInstrument.cpp 2345
Reported to NI SRQ 7137659