Texture color error...

The image below shows an error that happens in my computer with all kinds of textures … can anyone help me?..(I use Unity 2017.2.0f3 personal)…
,The image below shows an error that happens in my computer with all kinds of textures … can anyone help me?

What is the issue?

What is the original texture and what result do you expect to get?

If you are going to see sharp pixels on the cube - just turn off filtering, mipmaps and compression in texture import settings.

@ValakhP The texture that is there is the basic texture of when you create a gameobject, like a cube and a sphere, and the texture that should be white, stays with those random colors and when I put another color like red, it stays like this …