Windows 8 - blue rectangle

What blue rectangle?

--
Remember remember the fifth of November
Gunpowder, treason and plot.
I see no reason why gunpowder, treason
Should ever be forgot...

Good evening Bruce

A rectangle whose perimeter is blue, and, for reasons I do not know, changes size.

It appears on the home screen as well as during messaging management or in Word, Excel, ...

Hello Bruce

Thank you for the attention you are giving to my question

Not very familiar with both the "special" manipulations and W8: No, I do not know how to do what you call a screenshot, please explain it to me

And, as I write this message, just like the duck that was always alive, the rectangle with its blue perimeter, with variable geometry is still there.

A titi-henry

Hello, Clair, we must not be from the same generation: I don’t see ducks, the duck: it was a humorous note referring to a show by Robert Lamoureux, do you know it?

As for variable geometry, it's a description of the size of this "cursed" rectangle as our Canadian friends would say, which changes

Att'n Bruce

Thank you, I will try the operation. If there's a problem, I will get back to you

Thanks again for the credit given to my question

Att'n Bruce

I don't have a drawing program on my computer, but a Google search informs me that there are several drawing software options available for free.

Is there one that you particularly recommend for doing the above manipulation?

Thanks

Hello,

"I don't have a drawing program on my computer" Paint.
https://www.commentcamarche.net/informatique/windows/149-faire-des-captures-d-ecran-avec-windows-10/
After that, Use cjoint.

he talks about this:

the blue rectangle that we make with the left click and that we move the pointer on the desktop ...

--
When we open our eyes, we discover the world, but sometimes, we must keep them closed.

Att'n Jojo29

Thank you for the interest you take in my problem and for the proposed solution.

Att'n Bruce

If I didn't make a mistake, the link below allows you to view this "damn" blue rectangle

http://cjoint.com/?3Gdrfz2ayVI

http://cjoint.com/?3Gdrfz2ayVI

What do you think?

Hello to all those who took some time to try to help me and succeeded

I would recommend this site "Commentcamarche" because of the quality of its contributors

Have a good day

I had a white rectangle around the cursor that moved along with it, I fixed the problem by going to mouse settings, you have to display full screen and voila the rectangle disappears.