title: What causes "Unable to connect to the remote server"
body: <p>I've got a downloader app. It works fine for me, but one user send me bug report saying that System.Net.WebException is throwed with 'Unable to connect to the remote server', while it works for the link good on my pc. It works with other links but with this particular, don't. What causes this exception? And what can be the difference between my pc configuration and his.</p>