Article ID: 304465 - Last Review: September 13, 2011 - Revision: 3.0

"Another version of this product is already installed" error message when you try to reinstall Office 2000 after you use Eraser 2000

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This article was previously published under Q304465

This article may contain a link to the Windows Installer Cleanup utility (MSICUU2.exe). If you were directed to this article to solve a problem by using the Windows Installer Cleanup utility, please contact your software manufacturer for installation support on the product, or see the following Microsoft Knowledge Base article for steps to troubleshoot uninstallation issues with products that use Windows Installer:

2438651 (http://support.microsoft.com/kb/2438651) How to troubleshoot problems that may occur when you install, uninstall, or upgrade a program on a Windows-based computer

Notice

If you were directed to this article to solve a problem by using the Windows Installer Cleanup utility, please contact your software manufacturer for installation support on the product, or see the following Microsoft Knowledge Base article for steps to troubleshoot uninstallation issues with products that use Windows Installer:

2438651 How to troubleshoot problems that may occur when you install, uninstall, or upgrade a program on a Windows-based computer (http://support.microsoft.com/kb/2438651/ )

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SYMPTOMS

After you use the Microsoft Office 2000 File and Registry Eraser utility for Microsoft Office CD1 (Eraser2000.exe) or the Office 2000 File and Registry Eraser utility for Microsoft Office CD2 (Eraser2000a.exe) to remove Office 2000, and you have installed the Office SR1-a client patch, you may receive the following error message when you try to reinstall Office 2000:

Another version of this product is already installed. Installation of this version cannot continue. To configure or remove the existing version of this product, use Add/Remove Programs on the Control Panel.

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CAUSE

This issue may occur if you do not remove Office 2000 before you run Eraser 2000. Under this scenario, the Microsoft Windows Installer management data still contains information that indicates that Office 2000 is installed. Therefore, Office 2000 cannot be reinstalled.

Note The Eraser utility should be used only after you remove Microsoft Office. For additional information about the Eraser utility, click the article number below to view the article in the Microsoft Knowledge Base:

239938 (http://support.microsoft.com/kb/239938/EN-US/ ) OFF2000: Utility to Completely Remove Remaining Office CD1 Files and Registry Entries

Note Eraser will not run on operating systems later than Microsoft Windows 2000.

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RESOLUTION

1. To resolve this issue, remove Office 2000 by using Add/Remove Programs in the Control Panel.
2. If you followed these steps and the issue is still not resolved you may have to contact Microsoft Support for additional assistance:

For information about how to contact Microsoft Support, visit the following Microsoft website. Some charges may apply.

http://support.microsoft.com (http://support.microsoft.com/)

You may also want to visit a Microsoft community website where you can ask questions and receive answers from other users for free. Microsoft Answers is a support forum for consumer customers. To visit Microsoft Answers, visit the following Microsoft website:

http://answers.microsoft.com (http://answers.microsoft.com/)

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