https://stackoverflow.com/questions/7693429/process-start-to-open-an-url-getting-an-exception

shadowsocks-csharp/Util/Util.cs

@@ -279,8 +279,11 @@ namespace Shadowsocks.Util
                 // hack because of this: https://github.com/dotnet/corefx/issues/10361
                 if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
                 {
-                    url = url.Replace("&", "^&");
-                    Process.Start(new ProcessStartInfo("cmd", $"/c start {url}") { CreateNoWindow = true });
+                    Process.Start(new ProcessStartInfo(url)
+                    {
+                        UseShellExecute = true,
+                        Verb = "open"
+                    });
                 }
                 else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
                 {