Fix problems that block programs from being installed or removed
First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.
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
Use the following methods to identify any Windows Installer issues that may be causing problems when you install, uninstall, or update programs. Click Start , type cmd in the Search box or click Run then type cmd in the dialog (Windows XP or Windows Server 2003), and then press Enter to open a Command Prompt window.
Fix gaming issues with the Xbox app for PC and handhelds
Learn how to troubleshoot problems installing or running games from the Xbox app for PC and handhelds.
Uninstall or remove apps and programs in Windows
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.
Repair apps and programs in Windows - Microsoft Support
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.
Windows troubleshooters - Microsoft Support
Get Help has troubleshooters, or diagnostic tests, that can check your system configuration for anything that might be causing issues using your devices. View troubleshooter results. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.
Running troubleshooters in Get Help - Microsoft Support
Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.
Use the System File Checker tool to repair missing or corrupted system ...
When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.
Windows Installer 4.5 is available - Microsoft Support
Software manufacturers can create the setup of their products to use Windows Installer to help make software installation, maintenance, and uninstallation straightforward and easy. Windows Installer 4.5 is released with Windows Vista Service Pack 2 (SP2) and Windows Server 2008 SP2.