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.

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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.

Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

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.

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.