If you are using Windows XP,Vista or other version of this operating system, you need to know there are some important files named registry keys. When a program is installed a key is added in Windows registry. Installing and uninstalling software often let these files unmodified. Can appear conflicts who will crash your PC or will make it to work slower.
Is very important to check,clean and repair registry files regularly and this software is doing for you automatically. Is showing a complete report with problems and you can choose an action.