Download KB2687499 For Windows Installer Clean Up Utility
With the Windows Installer cleanup utility, you can remove the Windows Installer configuration information from a program.
You may want to remove the Windows Installer configuration information for your program and also if you experience installation (installation) problems.
For example, you may need to remove the Windows Installer configuration information from a program if you have installation problems when you try to add (or remove) a component
of your program that was not included when you first installed it.