How about those with this fail mentioning
What Display chip/board and
what Driver is installed.
To quote my CPO: "broken is not a trouble call out".
It is your system. Only YOU know what is in YOUR systems box.
I have Dell Optiplex 780 With a basic (not a gaming) Radeon card that the Viewer goes into infinite Preparing... . (The toc appears greyed out) The Library loads and the editor (includes preview) works