private void button_StartChecking_Click(object sender, EventArgs e)
 {
     if (new FileInfo(Scraper.LOG_FILENAME).Exists)
     {
         this.WindowState = FormWindowState.Minimized;
         String password = textBox_Password.Text;
         Config.Write(Config.KEY_PASSWORD, password);
         Init();
         scraper.StartCheckingThread(password);
     }
     else
     {
         MessageBox.Show("Log file not found.", "", MessageBoxButtons.OK, MessageBoxIcon.Warning);
     }
 }