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Red Boxes Appearing on my Desktop

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I am getting a problem where occasionally red boxes start appearing all over my desktop. When it happens - was every few days but is now happening multiple times a day - anywhere I drag (select) on my desktop makes a solid red rectangle. Also, any shortcuts I hover over get a red border. After going into other applications and then going back to the desktop the whole thing is red, then, any shortcuts or boxes I drag over revert back to what they should look like: the normal background.
Red Desktop Error.png

I use two monitors of different sizes so the black area is no cause for concern.

This is on Windows 10 (x64) and here is some information about my PC:
i3-8100 CPU
GeForce GTX 1060 6GB GPU
TUF B360M PLUS GAMING Motherboard
450W Power Supply
8GB ddr4 2400MHz Ram

As far as I'm aware all of my drivers are updated and I am not aware of any virus on my system.
The last thing I did that I think may have been the cause was opening the NVIDIA control panel though I did not change any of the settings in there as I think I saw the red boxes.
Every time this happens I restart my PC and that gets rid of the boxes temporarily.
The boxes do not cause any limitations in terms of the function of my PC but I would like to get rid of them for obvious reasons.

I would be very grateful if anybody could help, please tell me if I have omitted any relevant information about my PC.

Many thanks,
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Probably the graphics card is having a problem. Swap in a known good card and see what happens.
I believe that motherboard and Cpu will provide graphics output without a graphics card connected so you could try that.

Also you could test the ram with Memtest86 booted from a Usb stick :-
Let it run for at least one full pass but if it finds any errors stop it and try running one ram stick at a time until you find the faulty one.
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