The "Add/Remove Checker" program, is a add-on in ItweakU. It installs automatically when you install ItweakU Professional. How to use this program:
Launch Add/Remove Checker from the menu File -> Add/Remove Checker. The program displays a list of the different programs that are installed on your computer. It also marks each line with a green icon for OK the uninstall works, and a red icon for there is something wrong with this uninstall program.
By either right-clicking on an item or selecting one and using the toolbar, you have the following options: