If the steps above don't work, you may need to reinstall Windows. For more info, see Windows 10 recovery options. Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

System File Checker is a utility in Windows that checks for problems with files on your computer. To run it, follow these steps: Make sure you've installed the latest updates for Windows, and then restart your machine. To find out more, read Update Windows.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.

The Gaming Services Repair Tool for PC is now also integrated directly into the Xbox app for PC. To run the Gaming Services Repair Tool on your PC, make sure you have the 2311.1001.7.0 version or newer of the Xbox app on PC installed. To check your Xbox app version number: Launch the Xbox app for PC. Click your Profile picture.

Key features include: Windows 11 eligibility: Provides a comprehensive eligibility check based on the minimum system requirements for Windows 11. Backup and sync: Sign in or create a Microsoft account to sync device preferences across devices and set up Microsoft OneDrive to protect your files.

Troubleshooter for repairing Windows Update system files and settings - Microsoft Support. This article describes the problem addressed by the troubleshooter, what it does to mitigate them, and the conditions that can cause it to run. For more information about troubleshooting, see Keep your device running smoothly with recommended troubleshooting.

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. You can also remove apps or programs. Repair programs in Control Panel.

Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.

Latest version. Last updated: 11/11/2019. Release: v1.4. Version: 4.8.04072.00. Supported languages: English (United States) Changes that are included in release v1.4. The tool now supports Microsoft .NET Framework 4.8, 4.7.2, 4.7.1, 4.7, and 4.6.2. Therefore, fixing and repairing are also applicable to these products.

Select Start > Settings > Update & Security > Troubleshoot > Additional troubleshooters , or select the Find troubleshooters shortcut at the end of this topic, and then select Additional troubleshooters. Select the type of troubleshooting you want to do, then select Run the troubleshooter.