Strange symbols in my Unity and I don't know how to fix this (SOLVED)

Unity Engine
1

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2819449--205126--Unity.jpg1920×1080 126 KB

All my tabs is showing this guy. I already reinstall but nothing work. I’m the aministrator of my windows 10.
Please help.

2819449--205127--Sem título.jpg

2

That’s the Nvidia GeForce experience share buttons. Go to the Nvidia GeForce app, go to settings and turn off “share”.

3

Thank you, man.