McAfee Internet Security will automatically quarantine suspicious item, when they are quarantined they are neutralized and made to a null character and when an update regarding that files is made availble in McAfee dat files , McAfee automatically clears that specific file.
SO submit the file to get it cleared
When they reply reply back with subject changed to false +ve and detection name. say why you think it is a false detection and wait for their fix.
Yeah what Peter linked to sorry for the duplicate.