A Perfectly Clean Uninstall

Uninstalling a Windows application leaves multiple traces such as abandoned registry keys, configuration files and shared libraries that are no longer used by any application. When you are looking for a perfect solution to your problem, you are typically downloading and testing dozens of different applications distributed on the try-before-you-buy basis. After you complete your search, you'll decide on just one application, and will want to remove the other products you've tested. But do you realize how much garbage they leave behind even after being 'completely' uninstalled?