Switched the router. I can now get to GMail and other google service, YouTube, Yahoo, Bing, Facebook etc etc.

My new tab is Google and that comes up fine. Searches at Google via the browser bar in Chrome work fine.

When I browsed to www.google.com I got the Flash Player Pro thing again… however when I cleared the first four items in the browsing data “from the beginning of time” (that’s Browsing history, Download history, Cookies and other site and plug-in data, and Cached images and files) the problem went away.

I thought I’d post this before attempting the other router as it may take me a while to get back here if the problem persists in that router, but enquiring minds will want to know! Be back later with the result.