When you are working on your computer and installing a new program, the installation suddenly fails. Now you are left with a partly installed program. You try to install the program again, but you are unsuccessful. Or, maybe you have problems trying to remove an old program because the installation files are corrupted.
Do not worry. Windows Installer CleanUp Utility might be able to help. You can use the utility to remove installation information for programs that were installed by using Windows Installer. Be aware that Windows Installer CleanUp Utility will not remove the actual program from your computer. However, it will remove the installation files so that you can start the installation, upgrade, or uninstall over.
Download Windows Installer CleanUp Utility
This version of Windows Installer CleanUp Utility works correctly in all 32-bit and 64-bit versions of Microsoft Windows. If you have an earlier version installed on your computer, I recommend that you download and install this latest version.
You must be logged on to Windows with a user account that is a computer administrator to run Windows Installer CleanUp Utility
Download Here
But Read this
Trouble is the Windows Installer Clean Up utility comes as a windows install. So when you try to install it you are just going to get "Another installation is already in progress".
Digging a little deeper you may learn that the cleanup utility is just an app called msicuu.exe which is a front end to msizap.exe. You can extract both from the Windows Installer Cab file (msicuu2.exe) with a tool like WinRAR, or it is available with the support tools for the Windows OS you are using (usually on the install CD under support\tools or dowloadable from the web). That gets around the need to run the install.
[It also forms part of the Platform SDK Components for Windows Installer Developers (with a lot of other useful tools for installer work like Orca.exe which allows you to view msi files)].
msizap.exe is not for the feint-hearted. That is why Microsoft usually decently cloth it in msicuu (the Windows Installer Clean Up Utility see above). As always when playing with anything naked, be cautious. So prefer msicuu if you can. When you run msicuu it will present you with a list of failed installs, you can clean up your install if it is there. Otherwise you need to use the product code GUID with msizap
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