Learn how to use the System File Checker tool (SFC.exe) to scan and restore missing or corrupted system files in Windows. Follow the steps to run the tool, view the details, and manually replace the corrupted files if needed.

Learn how to run System File Checker (sfc /scannow) in Windows 10 to check and fix problems with files on your computer. Follow the steps to update Windows, open Command Prompt as administrator, and type the commands.

Learn how to update or reinstall device drivers, such as USB drivers, in Windows 11 or 10 using Device Manager. Follow the steps to search for updated driver software or uninstall and reinstall the driver.

PC Health Check app helps you check your device compatibility, performance, and troubleshoot issues for Windows 11. It also provides updates, backup, and sync features for your Windows PC.

Learn how to use various built-in tools to manage Windows, such as Control Panel, System Configuration, Registry Editor, and more. Find out how to access and customize each tool for your preferences and requirements.

Learn how to install and use PC Health Check, a Windows 10 app that monitors device health and troubleshoots performance issues. Find out how to check Windows 11 eligibility, sync files, update Windows, and more.

Learn how to use the Windows Security Troubleshooter to diagnose and repair Windows security problems by turning on UAC, DEP, Windows Firewall, and other features. Download the troubleshooter and run it on the affected computer or a flash drive or a CD.

Learn how to use the Program Install and Uninstall troubleshooter to fix corrupted registry keys, prevent programs from being installed or removed, and access the product code. The troubleshooter runs on Windows 10, 8.1, 8, and 7.

Windows 10 has replaced fix-it tools with troubleshooters to help you solve problems with your PC. Learn how to run a troubleshooter, where to find it, and what to do if it doesn't work.

Learn how to troubleshoot common sound or audio issues in Windows 11 and Windows 10. Follow the steps to check your speaker output, run the audio troubleshooter, update or uninstall your audio driver, and more.