Thanks for the response, @richard. I followed the Anaconda instructions from https://www.psychopy.org/download.html.
Following the linked instructions, I’m still unable to login. But, there’s a different set of messages when starting up psychopy (copied below)
Gtk-Message: 21:55:51.457: Failed to load module "overlay-scrollbar"
Gtk-Message: 21:55:51.458: Failed to load module "atk-bridge"
Gtk-Message: 21:55:51.460: Failed to load module "canberra-gtk-module"
09:55:51 PM: Debug: Failed to connect to session manager: None of the authentication protocols specified are supported
09:55:52 PM: Debug: Adding duplicate image handler for 'Windows bitmap file'
09:55:52 PM: Debug: Adding duplicate image handler for 'Windows bitmap file'
09:55:52 PM: Debug: Adding duplicate image handler for 'Windows bitmap file'