The Windows Installer Cleanup Utility has been removed from the Microsoft website since August of 2010. It was removed from the Microsoft Download Center as it sometimes could cause issues with other programs or components that were installed on the computer. You may have downloaded from a 3rd party site, but the utility should not be used.
But if you still want to download the Windows Installer Cleanup Utility, please read the instructions provided here:
http://www.windows-installer-cleanup-utility.com/
You will find step by step instructions to get rid of your error.
