If you’re greeted with the Windows Installer setup screen for an existing product everytime when you try to install a new program, you usually repair the existing application, or use the Windows Installer Cleanup Utility to remove the installer information of the existing application before reinstalling it. The problem is the Windows Installer Cleanup Utility Setup itself uses Windows Installer and hence it may not run in the above scenario. Here is an option which can be used to launch the Windows Installer Cleanup Utility without installing it.

1. Download the Windows Installer Cleanup Utility (msicuu2.exe)

2. Click Start, Run. type %temp% and press ENTER. This opens the Temporary folder of your user profile.

3. Double-click the file msicuu2.exe that you downloaded earlier in Step 1.

4. Running msicuu2.exe should automatically extract the setup package to the %temp% folder, under the folder named IXP000.TMP.

5. Copy the folder IXP000.TMP to your Desktop.

Note: Ignore (and dismiss) any Windows Installer prompts or errors that may be displayed at this time. You already got all the files you need, to run the Windows Installer Cleanup Utility manually.

6. Open the IXP000.TMP folder in your Desktop.

7. If you’re using a Windows 9x system (Windows 95/98/Me), rename the file MsiZapA.exe to MsiZap.exe. If you’re using Windows 2000/XP/2003, rename the file MsiZapU.exe to MsiZap.exe

8. Double-click the file msicuu.exe, and voilĂ , this starts the Windows Installer Cleanup Utility.

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2 Comments

  1. Andreas E
    said this on Tuesday, April 20th 2010 10:16 pm

    YAY that rocks!

    That’s why I always say. DO NOT bash Microsoft unless you can say really everything is bad.

    This tool saved me countless *days*, if I put all of them 30 minute chunks together.
    Especially, since Java uninstalling procedure is very bad sometimes.

    Example: you updated from update 13 to update 14 using the Updater.
    Your folder will still be jre1.6_13 !!!
    But since it thinks to be intelligent, it will figure out you got update 14 running and when you uninstall this for security reasons ( cf. https://bugzilla.mozilla.org/show_bug.cgi?id=558584 ), it will fail to find a folder called jre1.6_14 !!

    So the Cleanup Utility was the only way out to force the U20 installer to disregard everything related to earlier versions. And this may save you more than one hour at work instead of pointless searching and trying out things.

  2. Jerry
    said this on Friday, February 5th 2010 7:57 am

    I have the problem of not being able to download and run the Cleanup Utility as I get the “Windows Installer” error message.
    I followed your instructions above to bypass the Windows Installer but could not find the IXP000.TMP folder.

    Can you provide additional assistance?

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