Solution for error OpenQA.Selenium.WebDriverException was unhandled

Error- I got following error running my selenium script (Web Driver + C#.Net) from FireFoX

OpenQA.Selenium.WebDriverException was unhandled
  Message=Failed to start up socket within 45000
  Source=WebDriver

Solution-

Update the following DLL's to latest version 2.31.0.0

1. WebDriver.dll
2. WebDriver.Support.dll
3. ThoughtWorks.Selenium.Core.dll
4. Selenium.WebDriverBackedSelenium.dll