Thanks for these suggestions. I have now been able to restore to the recovery point for the last update (05/12/18) and that has resolved my problems. I couldn't do this before, as I couldn't access...

Thanks for your quick response.

The Action Centre is no longer displayed.
I am not using any third party software to change the start menu.
This happened after the 6th December and before the...

I have now noticed that there are additional, possibly related, problems -
I can't read e-mails on WLM
I can't read pdf files
i can't open (Open Office) spreadsheets

Having used W10 on the SurfacePro 2 with keyboard for several years, I suddenly find that I can only use desktop mode. When I try to switch to the tablet mode using the left hand windows icon on the...