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.
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.
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.
Xbox network server connectivity on Windows is blocked
Find out how to fix network connectivity problems when using Xbox multiplayer and chat features on Windows 10/11.
List of security program cleanup and uninstall tools
Provides links to the uninstall tools and directions for many security programs.
Automatically diagnose and repair Windows file and folder problems ...
Troubleshoots and fixes common issues with file and folder operations in Windows.
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.
How to troubleshoot Windows Installer errors - Microsoft Support
The installation file is typically named Autorun.exe or Setup.exe, but this may vary. If you're not sure, check the Readme file in the folder for instructions about how to run the installation process.
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.
Microsoft Support
Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.