How to use Malicious Software Removal Tool on Windows

What is Malicious Software Removal Tool? Microsoft Windows Malicious Software Removal is a tools to checks computers running Windows Vista, Windows XP, Windows 2000 and Windows Server 2003 for infections by malicious software.

This tools will helps to remove any infection found and remove it. How to run this tools?

Here is the step:

Click Start->Run->mrt.exe->ok