System.Windows.Forms.AxHost.InvalidActiveXStateException

Can some one look at this code and tell me why i get this Exception.I dont get the Exception until i run the Debugger...Dosnt show up during the Build itself.."System.Windows.Forms.AxHost.InvalidActiveXStateException was unhandled"

Code:

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public partial class Form1 : Form
    {
        private object obj = null;
        private AxSHDocVw.AxWebBrowser AxWebBrowser1;
        public Form1()
        {
            InitializeComponent();
           
        }
 private void GO_Click(System.Object sender, System.EventArgs e)
        {
            AxWebBrowser1.Navigate(HttpUtility.UrlDecode(Address.Text), ref obj, ref obj, ref obj, ref obj);
        }
        private void AxwebBrowser2_NavigateComplete2(object sender, AxSHDocVw.DWebBrowserEvents2_NavigateComplete2Event e)
        {
            Address.Text = e.uRL as string;
        }

        private void Search_Click(object sender, EventArgs e)
        {
            string strKeywords;
            strKeywords = HttpUtility.UrlDecode(Keywords.Text);
            if (rbtWeb.Checked)
            {
                AxWebBrowser1.Navigate("http://www.google.com/search?q=" + strKeywords, ref obj, ref obj, ref obj, ref obj);
            }
            else if (rbtImages.Checked)
            {
                AxWebBrowser1.Navigate("http://images.google.com/images?q=" + strKeywords, ref obj, ref obj, ref obj, ref obj);
            }
            else
            {
                AxWebBrowser1.Navigate("http://groups.google.com/groups?q=" + strKeywords, ref obj, ref obj, ref obj, ref obj);
            }
        }
        private void Keywords_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                Search.PerformClick();
            }
        }

        private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            AxWebBrowser1.Navigate("http://www.newegg.com", ref obj, ref obj, ref obj, ref obj);
        }

        private void linkLabel2_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            AxWebBrowser1.Navigate("http://www.ask.com", ref obj, ref obj, ref obj, ref obj);
        }

        private void linkLabel3_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            AxWebBrowser1.Navigate("http://www.nvidia.com", ref obj, ref obj, ref obj, ref obj);

        }
        private void linkLabel4_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            AxWebBrowser1.Navigate("http://www.ati.com", ref obj, ref obj, ref obj, ref obj);
        }

        private void linkLabel5_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            AxWebBrowser1.Navigate("http://www.crazypc.com", ref obj, ref obj, ref obj, ref obj);
        }

        private void linkLabel6_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            AxWebBrowser1.Navigate("http://www.intel.com", ref obj, ref obj, ref obj, ref obj);
        }

        private void linkLabel7_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            AxWebBrowser1.Navigate("http://www.amd.com", ref obj, ref obj, ref obj, ref obj);
        }

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i get the ActiveXState Exception threw out my Code