function multipleBusyPortsDialog () {
  hideOtherWindows()
  const opt = showDialog({
    title: i18n.t('multipleBusyPortsDialog.title'),
    message: i18n.t('multipleBusyPortsDialog.message'),
    type: 'error',
    buttons: [
      i18n.t('multipleBusyPortsDialog.action'),
      i18n.t('quit')
    ]
  })

  return opt === 0
}
Dialog to show when there are multiple busy ports.

@returns {boolean} open the configuration file