Ok done that!
The files have now re-deleted themselves.
It's the same files all the time.
But, this is the strangest bit of all!
When you asked me to remove the files from the original folder and place them somewhere else I did that. I actually left them overnight in that same folder. The same files got deleted again not from the new folder...But, from the original folder which did not even contain the files........ MMmmwwerraahhhh?????
So, I restored the files from the recycle bin and then found they were back in the Original folder....
But, I still have the files in the folder that I had originally moved them too!
Boy! Am I baffled!
These are the files: