I just finished teaching a 3-day class using Microsoft Teams.  On day 1 and 2, Teams crashed spectacularly taking down the video card driver with it.  For about 30 seconds, my laptop screen was totally blank until Windows restarted the driver.  Ouch!

A quick search on the Intertube led me to this article explaining how to disable hard acceleration and clean Teams' cache folders.  I did that prior to teaching day 3 and experienced no issues at all.

in Teams, disable hardware acceleration by clicking on your photo/icon and select Settings.

Exit Teams and head to the %appdata%\Microsoft\Teams folder.  Delete the files inside these folders:

This worked for me once but to be honest, I'm not sure if the issue was solved because I did that or not.