An error has occurred during installation of TuneUp Utilities

The error occurred within Microsoft Windows Installer. Microsoft provides a corresponding service program to correct the error. To do so, you must fully remove TuneUp Utilities using Microsoft Installer Clean Up and then reinstall it.


To correct the error, follow these instructions:

  1. Download the service program "Windows Installer Clean Up" from Microsoft.
  2. After the download, the installation program (msicuu2.exe) must be run to install the software on your computer. Important: You must be logged on as an administrator when you perform the installation!
  3. During the installation, please proceed as follows:

    • In the first dialog window, click on "Next".
    • In the second dialog window, when the license agreement is displayed, first select "I accept the License Agreement" and then click on "Next".
    • Confirm the third dialog window by clicking again on "Next".
    • Please wait a moment while the program is installed.
    • In the fourth and last dialog window, finish the installation by clicking on "Finish".
  4. Please start Windows Installer Clean Up. You can find the program here:
    Start -> (All) Programs -> Windows Install Clean Up
  5. Now you will see a list of all programs installed by Windows Installer.
    Select from this list the entry that refers to TuneUp Utilities and click on "Remove".
  6. You will receive a warning that the selected product will be completely removed. Confirm this by clicking on "OK".

The error that occurred in Microsoft Windows Installer has now been corrected.

You can now re-install TuneUp Utilities.