New Installation stuck in dashboard

I just installed version 20.0.5 using the web installer on my shared hosting site. No errors were reported during the installation. I was able to log in as Admin but it appears that everything is hung up.
I’m attaching a copy of the top of the page displayed. There is a field approximately halfway down the page asking for me to confirm my password. When I do an error mess is displayed HTTP error 405.

Any suggestions are appreciated.