Quicken doesn't open

Using Quicken Premier 2019 R20 on Windows 10 Pro platform
Worked yesterday, August 8, and I have a .QDF file with yesterday's date backed up.
Today, QW.EXE fails to start, whether by clicking desktop icon or trying to open from "C:\Program Files (x86)\Quicken\qw.exe". Clicking .QDF file to open in Quicken also fails to start program.
HELP!! ... and THANKS!!!
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On Friday, August 9, 2019 at 10:40:56 AM UTC-4, Al wrote:

HICCUP TIME... Returned after some time away from PC and QUICKEN started at first clicks of icon. Sorry to have bothered the group if any read OP
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On Friday, August 9, 2019 at 9:40:56 AM UTC-5, Al wrote:

See this article. https://www.quicken.com/support/double-clicking-desktop-icon-fails-start-quicken
This has happened to me,too. I have a laptop with an external monitor. I fixed it by opening my laptop and made my laptop screen the default. Once Quicken opened I was then able to get it maximized on the external monitor.
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