Are you referring to a double McAfee icon on the desktop or at the task bar.
Do you have any issues opening McAfee security center : ie Icon not responding while clicking on it
Please run MVT from here : http://mvt.mcafee.com , it’s an automated tool designed to resolve many issues with the product.
am talking aabout the double icon on the desktop
It could probably be another shortcut you have made unintentionally. Deleting it might solve the problem.