Don't really know what I'm doing, Chris . .
This square box came up in top righthand corner of  Ernies post, on my screen anyway, can't remember what was in the background but it also had a circle of balls going round in the centre of it, and being on very slow dial-up, whatever was preparing to load never really started. At the bottom of my screen, using a very old version of firefox, there's a long strip and it tells you the progress of things appearing on screen. The 2 sites I mentioned in previous post hadn't come up before, or if they had, I didn't notice them. So I got into AdBlocker and filtered the 2 files out. Whatever it was disappeared anyway. cheers. . .

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"Scars remind us of where we have been;
  They don't have to dictate where we are going . . "