It's difficult to view the video because it is very jumpy.
Does it help if you enable Legacy Save As?
Can you please describe what you are doing there?
Sorry to hear about your experience. I would like to know if the steps suggested above by @Barbara Ash worked for you? If not, I would request you to try the following steps and let us know how it goes:
Kindly update the discussion if you still need assistance with it. We'd be happy to help.
Thanks & Regards,