If the Windows Installer engine is corrupted, disabled, or installed incorrectly, this may cause program installation issues. Use the following methods to identify any Windows Installer issues that may be causing problems when you install, uninstall, or update programs.

If you see error code 0x87e00196, you’ll need to reinstall your Gaming Services package. Find out how here.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys.

If you get an error message when you're uninstalling, try the Program Install and Uninstall Troubleshooter. If you're trying to remove malware, see Stay protected with Windows Security to find out how to run a scan.

Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

To ensure seamless installation of future updates on Azure-hosted devices, it is strongly recommended to install this latest SSU prior to applying any additional updates.

Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.

If you would like to install a program from a disc, use the following steps: Insert the disc into your PC or external CD-DVD drive, and then follow the instructions on your screen.

Describes the new and improved features of Microsoft Windows Installer 4.5. The article also discusses the issues that are addressed from earlier versions of Windows Installer.