All objects appear as two

Development Modding
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1

It seems like your unreal window is somehow in anaglyph 3D mode. maybe have a look around in your settings.

2

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247026-p.jpg1920×1080 248 KB

I try reinstall unreal, remake project, but It is not resolve/

3

I can`t find that setting and screen is more red than other unreal…

4

Check inside NVIDIA control panel for the “Stereoscopic 3D” setting