It's the one that says "Torbutton blocked changed-state history manipulation. This is to work around af
irefox security bug.
Hit enter in the location box or opena new window or tab instead.
I have a couple of issues: I don't understand it (and there's no way to dig deeper) and second, I don't know how to decide if I want to hit enter, open a new window, or panic
can you tell me what's happening, and I may be able to suggest some better language?