protected void DownloadSubtitlesZipFile(string subtitleSourceUrl, IEnumerable <KeyValuePair <string, string> > httpRequestHeaders)
{
if (File.Exists(SubtitlesZipFile))
{
File.Delete(SubtitlesZipFile);
}
var result = HttpRequester.DownloadAsync(new Uri(subtitleSourceUrl), httpRequestHeaders, false).Result;
File.WriteAllBytes(SubtitlesZipFile, result);
}