I think OzPax was suggesting you were giving a 'digital salute' in response to the request for money
But kudos to FlyingGiraffe for sorting it. Of course now we know the answer, a reference can be found on the Micro$oft site
http://support.microsoft.com/support.../Q201/5/35.ASP although this suggests they have no clue what the
cause is. Sadly, not unusual.