09/05/2013 -When I sign on to my Microsoft Account the email ID drop down box has an erroneous email address listed. It is not an alias. How do I remove the erroneous email ID from the drop down box. I tried highlighting it and then hitting the "Delete" key but that didn't work. I tried highlighting it and hitting the "Backspace" button and that didn't work either. I'd like the erroneous email address removed.