UpdateWindow.cs.patch

Index: UpdateWindow.cs
===================================================================
--- UpdateWindow.cs (revision 2232)
+++ UpdateWindow.cs (working copy)
@@ -1271,10 +1271,9 @@
                     WebProxy wprox = null;
                     ICredentials icred = null;

-                    if (meGUISettings.HttpProxyUid != null)
-                    {
-                        icred = new NetworkCredential(meGUISettings.HttpProxyUid, meGUISettings.HttpProxyPwd);
-                    }
+                    icred = string.IsNullOrEmpty(meGUISettings.HttpProxyUid)
+                                ? CredentialCache.DefaultCredentials
+                                : new NetworkCredential(meGUISettings.HttpProxyUid, meGUISettings.HttpProxyPwd);

                     wprox = new WebProxy(meGUISettings.HttpProxyAddress + ":" + meGUISettings.HttpProxyPort, true, null, icred);