Fix problems that block programs from being installed or removed ...
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.
Gaming Services Repair Tool for PC | Xbox Support
Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.
How to troubleshoot Windows Installer errors - Microsoft Support
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.
Fix gaming issues with the Xbox app for PC and handhelds
The Gaming Services Repair Tool can often resolve launch, install, update, or various other issues for both games and the Xbox app itself. You can use this tool from within the Xbox app or try the downloadable version.
Uninstall or remove apps and programs in Windows - Microsoft Support
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.
Fix problems with apps from Microsoft Store
Repair or reset your apps: See Repair or Remove programs in Windows 10. Reinstall your apps: In Microsoft Store, select See more > My Library. Select the app you want to reinstall, and then select Install.
I can't find or install an app from Microsoft Store
When an app is removed from Microsoft Store, it takes a little time for the app description page to get removed. In addition, some apps and games aren't available in Microsoft Store, but can be downloaded from the publisher's site directly. The app isn't compatible with your device.
Windows Installer 4.5 is available - Microsoft Support
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.
How to use the Compatibility Administrator utility in Windows
When you select an AppFix, you can start the program executable (.exe) file, and the AppFix is applied. If a suitable AppFix is found, the tool eventually helps you generate and test matching file information.
Find and install your Microsoft downloads from Microsoft Store
Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.
Applies To: Microsoft account dashboard