Black lines (or bars) in
register blocking view of transaction data
A customer responds that this may be caused
by "running Firefox browser in Protected Mode"
If you haven't done
so already and if nobody else chimes in here with a better idea, I'd say it's time to call Quicken Support on the phone and request
help. Let them do a screen share session
with you to review the situation on your computer, to determine the nature
of the problem and to figure out how to fix it.