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.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results. Right-click Start , then select Run. Type regedit in the Open: box, and then select OK.

Check for Windows updates. Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

How to obtain help and support for this security update. Help for installing updates: Windows Update: FAQ. Security solutions for IT professionals: TechNet Security Support and Troubleshooting. Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version.

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.

Find troubleshooters. Fix-it tools aren’t used in Windows 10. Instead, use a troubleshooter to help solve problems with your PC.

Windows 10. In the search box next to Start on the taskbar, type control panel. Select Control Panel from the list of results. Note: Many Control Panel features are simpler and faster in Settings . Open Settings. Open Control Panel in Windows.

Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Click one of the recovery options below and follow the steps to try to get things working again.

This tool preserves all your apps, documents, and settings. Make sure to keep your PC connected to a power source and the internet during reinstallation. To fix problems using Windows Update: Select Start > Settings > System > Recovery > Fix problems using Windows Update.