private void RunCleanMissingWorker()
 {
     using (_cleanMissingWorker = new BackgroundWorker())
     {
         _cleanMissingWorker.DoWork += (o, args) =>
         {
             _controller.CleanMissingFilesFromDatabase(_formSettingsService.GetFormOptions(this));
         };
         _cleanMissingWorker.RunWorkerCompleted += (o, args) =>
         {
             Messaging.Talk("Finished cleaning missing files from database...");
         };
         _cleanMissingWorker.RunWorkerAsync();
     }
 }