Weird.
Latest Norton loaded, full system scan, totally clear.
System restored to 22 March and all seems to be much better. There are now 3 less 'processes' noted, so perhaps some wretched malicious program had infiltrated itself?
Still, I'm not going to use Pilot Mail any more. Spam had started to creep in as well as pop-ups.......
I'd relish roasting all hackers alive over a slow fire.......