Error Failed to initialize Unity Graphics

When installing unity I get a window with this message “Error Failed to initialize Unity Graphics”. I have installed on two windows 7, 64 and 32 bits. I have installed previous versions … I can not understand what happens. Let’s see if anyone can help me, thank you.

Try this:
https://forum.unity3d.com/threads/fatal-error-failed-to-initialize-unity-graphics.161286/#post-3054878