[Optimus Prime]

Hi gang. I can't get Calibre to open on a fresh install. I've tried both the 32 and 64-bit versions, freshly rebooting after each uninstall. Has there been a recent issue with updates or configs?

C:\Users\user1>calibre-debug -g
calibre 5.11 [64bit] embedded-python: True is64bit: True
Windows-10-10.0.19041 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.19041')
Python 3.8.5
Windows: ('10', '10.0.19041', '', 'Multiprocessor Free')
Interface language: None
Turning on automatic hidpi scaling

C:\Users\user1>calibre-debug -g
calibre 5.11 embedded-python: True is64bit: False
Windows-10-10.0.19041 Windows ('32bit', 'WindowsPE')
32bit process running on 64bit windows
('Windows', '10', '10.0.19041')
Python 3.8.5
Windows: ('10', '10.0.19041', '', 'Multiprocessor Free')
Interface language: None
Turning on automatic hidpi scaling