Oops. Come to think of it the login screen runs as a different user and that's a system extension. So disabling anything in the GUI won't work... Please try:
1. Uninstall the user-theme extension and any other non-Ubuntu extensions.
2. Reboot.
Oops. Come to think of it the login screen runs as a different user and that's a system extension. So disabling anything in the GUI won't work... Please try:
1. Uninstall the user-theme extension and any other non-Ubuntu extensions.
2. Reboot.