Rebooting after attempting to install did not help. My wife's computer, adjacent, also running Windows 10 in Japanese did manage to get into the meeting (after downloading and installing Zoom 5.17) so I will use that in my meeting today.
Rebooting after attempting to install did not help. My wife's computer, adjacent, also running Windows 10 in Japanese did manage to get into the meeting (after downloading and installing Zoom 5.17) so I will use that in my meeting today.