Re: cursor disappears intermittently when moving fast

> From: tom <[email protected]>
> Date: Sat, 10 Aug 2019 18:13:30 -0400
> 
> Hi, I'm running GNU EMACS 26.2 on Windows 10.  Whenever I move the
> cursor fast, holding down a movement key, like Ctrl-f or Ctrl-n, the
> cursor disappears and reappears intermittently, and it makes how far
> the cursor has actually moved a guessing game.  Is there any EMACS
> setting I can try to remedy this?   Or perhaps some setting in
> Windows?
> 
> PS. Just to make sure this problem isn't caused by my rather lengthy
> .emacs init, I renamed it to something else, tested, and found the
> same problem.

What happens if you type "M-x blink-cursor-mode RET"?  Does the
problem go away?