Repro:
I had been using the program (Beta5 with all updates) for probably 20 minutes
four panes: custom guide, NASB, NTSK, and powerlookup (all linkset A)
clicked on a reference in NTSK
clicked back button to return to previous reference
selected section in NTSK (to display in powerlookup)
system crashed and Logos closed
logs attached
Vista Home Premium 64 bit, corei7 processor, 6GB