If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Need more help? If you can't find an app or program, try the tips in See all your apps in Windows 10 and Program is not listed in add/remove programs after installation. If you get an error message when you're uninstalling, try the Program Install and Uninstall Troubleshooter.

Install a printer in Windows 10. Fix printer problems in Windows 7 and Windows 8.1. The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

. More options. If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

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.

This troubleshooter addresses devices which are not scanning for updates for certain internal reasons. How does the troubleshooter mitigate the problem? The troubleshooter resets the update scanning process which should prompt the device to start a new scan.

Select the type of troubleshooting you want to do, then select Run the troubleshooter. Allow the troubleshooter to run and then answer any questions on the screen. If you see a message that no changes or updates were necessary, you can try recovery options, or find out more about Outlook error codes and upgrade and installation error codes.

Refunds for digital games include Microsoft Store digital game offers, Xbox apps (excluding movies and TV apps), digital gaming bundle offers, digital game durable content, and some digital game consumable content, whether made available through the Xbox console, on your PC, or on your mobile device.

Open your Windows Security settings. Select Virus & threat protection > Protection history. The Microsoft Defender Offline scan will automatically detect and remove or quarantine malware. Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Windows 11 Windows 10. If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key. Where can I find my BitLocker recovery key?