Windows 10: Random black squares overlayed when using Facebook & other websites

*Sad Same size ,black boxes show up in random positions. They have no content that I can see & no outline They seem to continue to pop up every second or so until I leave a page I did update Flash - related to the problem? Seems to be related to only some webpages - not happening here as an example

:)

 

Windows 10, black squares pop up

How do I stop random black squares from popping up on my screen?

 

Error- HTTP/1.1 200 OK on Edge and other browers goes blank when try to open particular websites

Hi,

Thank you for posting in Microsoft Community.

To understand the issue better, I suggest you to answer the below questions.

• Since from when are you facing this issue?
• What happens when you try to access the same websites in other PC?

I would suggest you to follow the below steps and check if it help you.

• Open the Microsoft Edge browser. Open a website.
• Click on '. . .' select Open with Internet Explorer
  and check if the issue persists.

If the issue doesn't resolve, try the below steps.

• Press Start, type Internet Explorer and
  select it.
• Press Ctrl + Shift + P, it opens Internet Explorer as
  InPrivate mode. Try to access the website and check if the issue still persists.

Keep us posted to help you better.

 

*Sad Same size ,black boxes show up in random positions. They have no content that I can see & no outline They seem to continue to pop up every second or so until I leave a page I did update Flash - related to the problem? Seems to be related to only some webpages - not happening here as an example

:)