Windows 10 There's a vertical line on the right side of my screen that points to desktop when I click it

[Bruno Eduardode Macedo]

The title may seem confusing especially since English isn't my main language, but here's the deal:

1. There's a vertical line on the very right side of my screen;
2. When I click on it, no matter what app I have opened, it'll always go to my desktop;
3. Yes, even when the apps are maximized;
4. The line is always a part of my background, as if the windows weren't maximized. So if my wallpaper is something like trees, this line will be a 1 pixel vertical slice of these trees.

This is my rig:

• Corsair 400C case;
• Core i5-2500;
  
• 12 GB DDR3 RAM at 1600 MHz;
• Corsair H80i V2 AIO cooler;
• MSI GTX 1060 Gaming X 6 GB;
• Corsair 120 mm fa... OK I've probably listed way too many irrelevant things already;
• Oh, also: Windows 10 Home x64.

I know, it's really old but I'm getting a whole new build soon™ except for the case and AIO cooler. Yes, all drivers are updated. The resolution is 1920 x 1080 which is recommended – and as high as it goes – for my LG 22MP55 monitor.


Does anyone have any idea what's going on?

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