Registry Monitoring Program on Windows

Question

Is there an application that watches the registry in real time, and tell me which registry keys got modified when I install a program?

This is useful as I don't want my program, downloaded from the Internet, simply change crucial registry and in the worse case, render my OS unusable.

Answer 1

There is a tool called regmon. It's pretty good for what you are trying to do.

You can also use its spin off called Process Monitor.