Most of us install software downloaded both known and unknown sources. Sometimes, we might have a reason to suspect that the software in question may be doing some malicious activity on our PC - such as modifying a registry key, overwriting an important system DLL etc. In this video we will look at how to reverse engineer a software install process by using InstallWatch.

http://securitytube.net/Reverse-Engineering-a-Software-Install-Process-video.aspx