try
            {
                string url = "http://www.google.com/search?hl=en&lr=&safe=off&q=";
                url += listBox1.SelectedItem; // append process name to above URL
                webBrowser1.Navigate(url);
                enableBrowserNavButtons(); // does what it says
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }