Many thanks for the suggestion. Did as required, and it worked. Five minutes later, once again the problem returned. On both occasions, this was visiting an online banking site.

Yes - connection is working and continues uninterrupted. Thanks for your response and interest

I have the ongoing problem as above. Never had this when using windows 7 home premium - but on 2 X windows 10 machines (One 32 bit + One 64 bit) this seems to arise very frequently. The 'repair as...