Safely install any program using Virtual layer - Altris

clipped from lifehacker.com Hack Attack: Safely install software in a virtual layer Enter Altiris Software Virtualization Solution (SVS). With Altiris SVS, you can install any program to a transparent layer that snags all attempts that the program makes to write to your system, instead saving them inside of the layer. That means no extra .dll's and no permanent registry changes - SVS takes care of all of that.