On Launch, URE4.7.2 displays tray icon and initializes to 100% - but does not run/open

Could you also post your dxdiag (system specs) and any Log files?

Dxdiag:

Windows: Go to the Start menu and type ‘dxdiag’ into the search bar. Open that file and then click ‘Save All Information’. Post that text file here.

Log files: