Debian Testing {Bullseye} Problems With "startkde" and "ksmserver"

{{NOTE: I had a stroke in 2011, my short-term memory is "broken"}}

I prefer KDE for my default desktop, but I also use XFCE, LXDE, Fluxbox, and Icewm.

2-3 months ago, I started having a problem, (see included file)

Says "startkde: Could not start ksmserver. Check your installation."

I did a duckduckgo search but came up with nothing useful.

Question: What is startkde?
Question: What is ksmserver, and how do I start it?
Question: How do I "check the installation"?

When this appears, the only option as a logout is logout, shutdown, and reboot. BUT the only way to do any of the options are to "sudo reboot" and "sudo poweroff".
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