Thanks AMOFW and RTFM, Your comments and advice noted. The attachments were in fact being expected from known sources, but I get the message.
I have downloaded the fix but am always curious about the volume of MS downloads available. I never really know whether or not they are relevant, moreover what happens in the event of a major problem involving a windows reload? How do you then obtain the fixes again? It all appears a little confusing to me, not to say somewhat time consuming.
Any advice on this please?
Cheers