Getting an exception in the following code

Iam facing the following Exception could any one help me to solve this

Failed to start up socket within 45000 milliseconds. Attempted to connect to the following addresses: 127.0.0.1:7055

using OpenQA.Selenium;
using OpenQA.Selenium.Firefox;
using OpenQA.Selenium.Support;

namespace ProjectDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            IWebDriver driver = new FirefoxDriver();
            driver.Url = "http://gazelle.com";
            driver.Manage().Window.Maximize();
            driver.Manage().Timeouts().ImplicitlyWait(TimeSpan.FromSeconds(10));

        }
    }
}