Why blueprint window editor just dissappear?

Hey! I’m having this annoying problem sometimes, and the only solution I find is restarting the editor…
Sometimes, when I press click to open the window you use to find some node in the Event Graph, that window appear in 1 frame and then just dissapear… Did you guys ever had a bug like this before? :frowning: Thank you!

Looks very much like the Nvidia driver bug:

Thank you so much! It seems that the problem is solved :wink:

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Just in case someone need it. You’ve to download a Nvidia file and run it, here’s the link :smiley: After updating to NVIDIA Game Ready Driver 461.09 or newer, some desktop apps may flicker or stutter when resizing the window on some PC configurations | NVIDIA