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.

Learn how to run System File Checker in Windows to check if your computer has problems with files.

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.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.

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.

Windows provides a variety of configuration tools tailored to meet the needs of different users. These built-in tools facilitate your device's customization and monitoring, allowing you to change Windows' configuration to suit your preferences and requirements with precision.

To run a Control Panel tool in Windows, type the appropriate command in the Open box or at a command prompt. NOTE: If you want to run a command from a command prompt, you must do so from the Windows folder.

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.

In the search box on the taskbar, enter control panel and select Control Panel from the results. Select Programs > Programs and Features. Right-click the program you want to fix and select Repair, or if that’s not available, select Change. Then follow the directions on the screen. For more tips, see Repair an Office application.

Follow the steps in the section, How to start the Windows Installer service when system services are not loaded. Then try installing or uninstalling the app or update again. If the installation or uninstallation is successful, your issue is resolved.