Gecko web browser control not load live website in my windows aplication.

I am working on windows application. In that i am using gecko web browsaer control in my Form. in that i want to display live page of my website but it will not load. I set the Xulrunner as below..
public Form1()         {             InitializeComponent();             Skybound.Gecko.Xpcom.Initialize(@"C:\Program Files\xulrunner");                                }
private void Form1_Load(object sender, EventArgs e)         {
geckoWebBrowser1.Navigate("http://www.google.com");
        }
 - Error is www ...