ThinApp User’s Guide : Configuring Package Parameters : Configuring Permissions : AccessDeniedMsg

The AccessDeniedMsg parameter contains an error message to display to users who do not have permission to run a package.
ThinApp sets an initial message that notifies the user to contact the administrator.
You can modify the AccessDeniedMsg parameter to add a technical support number.
AccessDeniedMsg=You do not have permission to execute this application, please call support @ 1-800-822-2992