At the command prompt, type MSIExec, and then press Enter. If the MSI engine is working, you should not receive any error messages, and a separate dialog box should open. This shows the MSI version. If the installer is not version 4.5, download and install Windows Installer 4.5.

Windows Installer provides a standard foundation for installing and uninstalling software. Software manufacturers can create the setup of their products to use Windows Installer to help make software installation, maintenance, and uninstallation straightforward and easy.

Fixes an issue in which MSI repair may fail if the MSI file is originally installed from an HTTP location. This issue occurs after you install security update MS14-049 in Windows 8.1 or Windows 7 SP1.

Microsoft Installer issues can be caused by data corruption, corrupted installations and many other different issues. To troubleshoot these issues, you have to enable logging for two processes, and then try to install the updates again. When you enable logging, the actual error codes that are generated by Windows Installer are captured.

Describes a problem that may occur when an .msi file tries to install many policy files on a computer that has the .NET Framework 2.0 installed, and the installation fails with error 1935. Includes a resolution.

Learn how to resolve errors related to running Office installed by Click-to-Run and Windows Installer (MSI).

For example, you use the Windows Management Instrumentation Tester tool (Wbemtest.exe) to query the Win32_Product WMI class. In this scenario, you encounter the following issues:

Describes an update for SQL Server 2012 SP1 that resolves an installation issue in which you experience high CPU usage and Windows Installer starts repeatedly.

To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

If you can’t install, uninstall, or update a desktop program in Windows 10, the Program Install and Uninstall troubleshooter can automatically fix common issues such as corrupted registry keys or incomplete uninstall data.