Access Denied or Inactive items in the Ribbon SharePoint 2010 - but i have permission !!!

in SharePoint 2010 

if you are getting access denied when you access "Configure Service Accounts" for instance

or trying to create a new instance of a service application by navigating to manage serive applications page , but the new button is inactive and the properties button is inactive too.

if you are sure you have enough permission , then please run IE in an elevated admin mode :) everything lightens up :)