John Doe wrote:

I looked at the original poster's reply, so this is hindsight,
but... I think originally he said text input is not working either.

The dates on some of the articles claim to be relatively
recent, but the approaches in some of these suggest the
article is actually a couple years old. I looked in
Troubleshooters but can't see anything relevant now,
no cortana, no start, no search troubleshooter.

https://www.lifewire.com/fix-cortana-4151935

And one of my installs has lost the Windows Store... again.
You'd think of all the stuff to keep losing, they
would manage to keep the Windows Store on my taskbar :-/
I have other installs where the Windows Store is still there.

Paul