How can I make the code when run the code it go to samsung.com

private void webBrowser1_Navigated(object sender, WebBrowserNavigatedEventArgs e)
{
    webBrowser1.Navigate("www.samsung.com");
}

Please correct it when run program it go to samsung.com

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using mshtml;


namespace webhiglight
{
    public partial class Form1 : Form
    {

        public Form1()
        {
            InitializeComponent();
        }
        private void webBrowser1_Navigated(object sender, WebBrowserNavigatedEventArgs e)
        {
            webBrowser1.Navigate("www.samsung.com");
        }





        private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {

            if (webBrowser1.Document != null)
            {
                IHTMLDocument2 document = webBrowser1.Document.DomDocument as IHTMLDocument2;
                if (document != null)
                {
                    IHTMLSelectionObject currentSelection = document.selection;

                    IHTMLTxtRange range = currentSelection.createRange() as IHTMLTxtRange;
                    if (range != null)
                    {
                        const String search = "ant";

                        if (range.findText(search, search.Length, 2))
                        {
                            range.select();
                        }
                    }
                }
            }

        }




    }
}