title: ASP.NET MVC 3 File download: Not Working in IE8
body: <p>I have the Download that simply serves a static zip file from the local file system that works in Chrome and Firefox, but not in IE8.</p>
  
  <p>The website is running on localhost with SSL, but I am getting the following error message in IE.</p>
  
  <blockquote>
    <p>Unable to download Download/ from localhost.</p>
    
    <p>Unable to open this Internet site. The requested site is either
    unavailable or cannot be found. Please try again later.</p>
  </blockquote>
  
  <pre><code>public ActionResult Download(long batchID)
  {
      var batchFilePath = string.Format(BatchOrderReportsFolder + "\\Batch-{0}\\Batch-{0}.zip", batchID);
      if (!System.IO.File.Exists(batchFilePath)) {
          return RedirectToAction("Index", "Error");
      }
  
      return File(batchFilePath, "application/zip", Path.GetFileName(batchFilePath));
  }
  </code></pre>