Editor flickers / black screen on mouseover

Development Rendering
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1

During mouseover the screen flickers, goes to black and texts are distorted / extremely enlarged.
Working not possible.It happens in new and old projects.
Using an Intel I9 with 64 GB Ram and 2x Quadro RTX 8000 with latest drivers.
Any ideas?

2

did you try disable Window Animations in Editor Preferences;

3

Same problem, it’s really annoying. Only solution so far is to reload editor

4

hi guys,

the reason is Nvidia Geforce Driver Update . you have to go back to Nov 2020 version your Nvidia drivers.

I solved it going back to Nvidia drivers Nov 2020; and there is another Bug Report on this and see this is only the solution unless Unreal changes their implementation;

Here is the link to other report and you will detailed solutions;

5

The bugfix in this video did the trick for me: UE4 Editor Flickering Fix - Bugfix - Unreal Engine Version 26.1 - YouTube
You need just to rollback your nvidia drivers.