void CGUIWindowPVR::UnlockWindow(void)
{
  if (m_bDialogOKActive)
  {
    CGUIDialogOK *dialog = (CGUIDialogOK *)g_windowManager.GetWindow(WINDOW_DIALOG_OK);
    if (dialog)
    {
      dialog->Close();
      g_windowManager.ActivateWindow(WINDOW_PVR);
    }
  }
}