How to fix error: Unable to read data from the transport connection

[ktxn]

I encountered the above error and don't know how to fix it or set the timer. Anyone please help.

Here is my code for the background thread:

private BackgroundWorker _backgroundWorker = null;
Stream strResponse;
Stream strLocal;
HttpWebRequest webRequest;
HttpWebResponse webResponse;
bool goPause = false;


private void btnDownload_Click(object sender, EventArgs e)
{
    // Let the user know we are connecting to the server
    lblProgress.Text = "Download Starting";
    long startPoint = 0;

    if (File.Exists(txtPath.Text))
        startPoint = new FileInfo(txtPath.Text).Length;

    int startPointInt = Convert.ToInt32(startPoint);

    List<Object> arguments = new List<Object>();
    arguments.Add(TxtURL.Text);
    arguments.Add(txtPath.Text);
    arguments.Add(startPointInt);

    _backgroundWorker = CreateWorker();
    _backgroundWorker.RunWorkerAsync(arguments);

}

public BackgroundWorker CreateWorker()
{
    BackgroundWorker bg = new BackgroundWorker();
    bg.WorkerSupportsCancellation = true;
    bg.DoWork += DoWork;
    return bg;
}

private void DoWork(Object sender, DoWorkEventArgs e)
{
    List<Object> arguments = (List<Object>)e.Argument;
    try
    {
        int startPointInt = Convert.ToInt32(arguments[2]);

        // Create a request to the file we are downloading
        webRequest = (HttpWebRequest)WebRequest.Create((String)arguments[0]);
                
         webRequest.AddRange(startPointInt);

         webRequest.Credentials =CredentialCache.DefaultCredentials;

         // Retrieve the response from the server
         webResponse = (HttpWebResponse)webRequest.GetResponse();

          Int64 fileSize = webResponse.ContentLength;

          strResponse = webResponse.GetResponseStream();

          if (startPointInt == 0)
          {
              strLocal = new FileStream((String)arguments[1], FileMode.Create, FileAccess.Write, FileShare.None);
           }
           else
           {
              strLocal = new FileStream((String)arguments[1], FileMode.Append, FileAccess.Write, FileShare.None);
           }

            int bytesSize = 0;

            byte[] downBuffer = new byte[2048];

            while ((bytesSize = strResponse.Read(downBuffer, 0, downBuffer.Length)) > 0)
            {
                strLocal.Write(downBuffer, 0, bytesSize);

                 if (goPause)
                     break;
             }
            }
            finally
            {
                goPause = false;

                if (webRequest != null)
                    webRequest = null;
                if (webResponse != null)
                    webResponse.Close();
                if (strResponse != null)                
                    strResponse.Close();
                if (strLocal != null)
                    strLocal.Close();                
            }
        }
}

private void btnStop_Click(object sender, EventArgs e)
{
   // Close the web response and the streams
   if (webResponse != null)
   {
        goPause = true;

        _backgroundWorker.CancelAsync();

        webResponse.Close();
        strResponse.Close();
        strLocal.Close();
    }
}