Call of Duty: Modern warfare DirectX Error on Windows 7

If you guys having error with DirectX on Call of Duty: Modern Warfare 2 especially having "directX encountered unrecoverable error" here is the problem to solve... Works for me...click the link http://www.gamebrood.com/2009/11/11/call-of-duty-modern-warfare-2-pc-crash-freeze-installation-zone-file-error-cant-install-online-problems-fixes-and-solutions/