This Error Message Article explains the BarTender error message “Seagull License Server: Warning Message #2604 Permission Denied…BarTender Security Center settings do not allow the specified user to perform this action.” and details how to fix the underlying problem that caused it to appear.
The person logged into Windows does not have permissions
to perform the action.
The system administrator, via BarTender Administration Console, needs to grant permission to Run and Administer (if necessary) License Server to the user.
Issue Found: on Windows 10, BarTender v10