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Q292539: Windows Installer 2.0 (Windows NT 4.0, Windows 2000)

Microsoft® Windows® Installer manages the installation and updating of applications, such as Microsoft® Office®. Microsoft recommends upgrading Windows Installer to version 2.0 before applying updates to applications.

For more information about this update, read Microsoft Knowledge Base (KB) Article Q292539. (This site is in English.)

If you are using Windows 2000 and upgraded to Windows Installer 2.0 before March 2002, Microsoft recommends installing this update. The previous version did not install MSPATCHA.DLL correctly. For more information, read Microsoft KB article Q319388 (This site is in English.)

For more information about the issues addressed by Windows Installer 2.0, read the following Microsoft KB Articles:

- Windows Installer Must Have Original Source Files. (This site is in English.)
- Windows Installer Error 1406 Occurs When Installing Software. (This site is in English.)
- Digital Signature Support in Windows Installer 2.0. (This site is in English.)

System Requirements
This update applies to:

- Windows 2000
- Windows NT® 4.0 Service Pack 6a (SP6a)

How to use
Restart your computer to complete the installation.

How to uninstall
Uninstall is not available.

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