After renewing my subscription to a 3 machine license and removing then reloading McAfee Total Protection - the security centre comes up with a white box with a black surround (ie empty).
I can check updates via the links from the task bar - can see the status from the security centre - but can change nothing - also unable to do a manual scan.
Have gone back to an earlier restore point when McAfee was working - then reloaded again - still the same. Have done it 4 times this evening in various guises always the same result.
Problem sorted many thanks for the info - IE8Beta