I'm afraid I will have to wait until the darn thing comes back. It was blocking my 3 email icons and had to restart in order to get rid of it. It is not a virus ... it has appeared numerous times and Kasperski and Malwarebytes have not detected it.
All it says is 'HP Update' in a blue box . I don't recall the exact text ... but a slice on the left side of the box is missing which I believe hides the selections to activate it or to cancel it. Sorry I can't be more specific. I will add more details the next time it shows up. Thnx for helping.