I already checked this other question: “What's isWhat are these green checkmarks on my Desktop icons?”, this checkmark is green too, but a little bit differentdifferent; they are not solid:
As you can see I am using OpenVPN on my machine to access an external network and using Remote Desktop Connection too, is. Is my computer opened to this network? Is this the reason the checkmarks look like that? If it is how to solve it?