Comment 133 for bug 226470

> Killing original NY Times home page window (clicking on the window X) deleted
> the original window, the untitled window and the save pop-up window (at least
> there is a work-around). Of course its a bad work around if you have other
> useful tabs in the same window as the one causing the problem (though I
> believe killing the dysfunctional tab might have worked).

Usually killing the tab also destroys the unwanted window, for me. Sometimes it takes down firefox, but I think that's because this bug is usually triggered in low-memory situations.