Weird Shadows Across Screen - Randomly Started

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My game all of the sudden has weird shadows or some sort of line(s) across the screen. As much as I try to ignore it, its impossible.

 

thats uhhh...
thats a part of the game bucko
xD

 

Did you see? Lol, i know shadows are part of the game. But there's obvious lines that aren't supposed to be there on the screen. It happens randomly...

 

It happens to me, ive seen it and you cant remove it, its just there

 

That's weird, I never had it once for 3 years, i guess i have to live with it now.

 

It’s a weird ambient occlusion bug I’ve seen, it’s been happening to a lot of people lately