Server 2016

well, windows media player and that sort of thing

nothing http/https browser related

nevermind windows media and flash redirection is not enabled

I deleted my profile, loged back in to this delivery group, and i could briefly type into ie

then a dialog box was displayed in the session "changing keyboard layout to united states english" and it stopped working

keyboard may have been a red herring.....seems like disabling protected mode on the internet zone "fixes" the issue

not sure why it just started occurring now

We tested an older version of our image prior to installation of https://support.microsoft.com/en-us/help/4540670/windows-10-update-kb4540670

Could not reproduce the IE issue

Among the "highlights"....Updates to improve security when using Microsoft Edge and Internet Explorer.

Also in "known issues"....When using Windows Server containers with the March 10, 2020 updates, you might encounter issues with 32-bit applications and processes.

talk about a vague but concerning tidbit