Thank you all, for the prompt replies
DR - If I do that,I get the same problem i.e. verification query on the Nexus but the "Yes, it's me" 'lights up' but nothing gets through !
Magyar Flyer - unfortunately, NO !
Undertow - I appreciate that W 7 is
very old hat, but I am comfortable with using it, and W 11 leaves me mystified !
Netstruggler - recently installed Adblocker, so you may well have it ! I'll try uninstalling it and see if that works