Thought I was the only one that had this issue from time to time. Guess not. And yes, moving the mouse back and forth very quickly does make it change back to normal.
_______________"We will access, disclose and preserve personal data, including your content (such as
the content of your emails, other private communications or files in private folders),
when we have a good faith belief that doing so is necessary."-Microsoft Windows 10 Terms of Service and User Agreement__________