Windows 10: A small window, replica of what I am using appears in top left in frequent basis

HiI am facing Windows 11, and facing problems for the last 10 days. A small window [replica of what I am using] appears always at the top left corner. It is annoying and affecting my work. Images and videos are also attached. Video Link https://drive.google.com/drive/folders/1PQEYsY3J38CN3iSrCfAkcJPjGVm6b67E?usp=sharing

:)

 

small box top left

I"m trying to get rid of the small box at the top left of screen.

 

Small Duplicate Screen at top left corner of monitor

Hi,

There could be some reasons why you are getting a small screen at the top left corner of your monitor. To provide a better assistance, we would like to know a few information:

• Are you using a screen recorder app on your PC?
• Have you made any recent changes on your device prior to this concern?
• When did this issue begin?

We'll wait for your response.

 

Cannot click on small top left portion of screen

Hi,

To help you with your concern about not being able to click on small top left portion of your computer screen, kindly answer the following questions:

• What changes have you done to your computer prior to getting this issue?
• Are you using a laptop or a desktop computer?
• Do you see an unfamiliar application in the Task Manager running in the background?
  

We look forward to your post and we appreciate your answer to these inquiries.

Regards.