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.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.

When you install, uninstall, or update a program on a Windows-based computer, you may receive one of the following error messages. The Windows Installer Service could not be accessed. Windows Installer Service couldn't be started. Could not start the Windows Installer service on Local Computer. Error 5: Access is denied.

This article explains how to repair apps and programs in Windows 11 and use Settings to fix common app issues without reinstalling. You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs. Repair options from the Settings page.

In Microsoft Store, select Library. Find the app you want to reinstall, and then select Install. Select the Close (X) button in the upper-right corner of the app window to close it. Then, reopen the app. Make sure Windows has the latest update: Select check for updates now, and then select Check for updates.

Learn why you might not be able to find or install some of the apps in Microsoft Store.

Press the Windows logo key , enter store in the search bar, and then select the Microsoft Store app from the search results to open the Store. If you already own the game and you want to reinstall it, select Library > Games to find the game from your list.

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.

Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.

Alternatively, if installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation. How to install programs from online sources on Windows 10. See how to install programs from a disc from.