Learn how to get Windows Installer 3.1 v2, a component of Windows operating system that provides a standard foundation for installing and uninstalling software. Find out the release date, version number, and how to troubleshoot issues with Windows Installer.

Learn how to fix common issues with Windows Installer service, such as access denied, service not started, or service not accessed. Find out how to run a troubleshooter, check file and folder names, enable logging, and manually uninstall programs.

Learn how to use the Program Install and Uninstall troubleshooter to fix corrupted registry keys, prevent programs from being installed or removed, and access the product code. The troubleshooter runs on Windows 10, 8.1, 8, and 7.

Download and install this update to fix issues with applications that use the Microsoft Foundation Classes (MFC) library of Visual C++ 2013 in high-DPI mode. The update is available for both x86 and x64 systems and supports multiple languages.

Learn how to restrict installation of new printer drivers on a print server after applying the security updates for CVE-2021-34527. This vulnerability affects the Windows Print Spooler service (spoolsv.exe) and requires administrator credentials or registry settings.

Learn how to use the Program Install and Uninstall troubleshooter to repair issues that block programs from being installed or removed. The troubleshooter fixes corrupted registry keys and runs on Windows 10, 8.1, 8 and 7.

Learn how to update Microsoft Defender antimalware software binaries in Windows 11, Windows 10, and Windows Server images offline. Download the latest Defender update package and tool for different image architectures and follow the instructions to apply or remove the update.

Download the latest update for Visual C++ 2013 Redistributable Package to fix issues with heap corruption and missing binaries. Choose the x86 or x64 version depending on your system architecture.

This update adds a new UI for Windows Update in Windows 11 and Windows 10. It also informs you of problems that may prevent your device from getting security updates and feature updates.

Learn how to use an enablement package to install Windows 10, version 21H2 features with a single restart. This update is only available through Windows Update and requires a servicing stack update for Windows 10, version 2004 or later.