Strange mini Window showing when hovering over top task bar, then crashes unreal.

Hey there @Josifweller! Welcome to the community! This is indeed an issue with the way the engine uses the Nvidianvwgf2umx.dll I would agree with Don, backdating of the drivers or swapping to the Studio variant may correct the issue. Alternatively there are other causes of this issue possible, and here’s a thread with some compiled workarounds or fixes:

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