Use the System File Checker tool to repair missing or corrupted system ...
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.
How to use the PC Health Check app - Microsoft Support
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.
Using System File Checker in Windows - Microsoft Support
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.
How to check if your device meets Windows 11 system requirements after ...
The easiest way to see if a device meets the requirements for Windows 11 after making hardware changes to the device is with the PC Health Check app: Download and install the PC Health Check app. The PC Health Check app can be downloaded from the following link:
How to use Dumpchk.exe to check a Memory Dump file
Dumpchk is a command-line utility you can use to verify that a memory dump file has been created correctly. Dumpchk does not require access to symbols. You can download debugging tools for Windows products from the following Microsoft Web site: Note For Windows XP, Dumpchk is located on the Windows XP CD-ROM.
KB5005463—PC Health Check Application - Microsoft Support
PC Health Check includes diagnostics to monitor device health and troubleshooting to improve performance, all from the convenience of a single dashboard. Key features include: Windows 11 eligibility: Provides a comprehensive eligibility check based on the minimum system requirements for Windows 11.
Description of the Microsoft Hardware Diagnostic Tool
This article describes the Microsoft Hardware Diagnostic tool (Hwinfo.exe). NOTE: This article discusses an unsupported tool (Hwinfo.exe). Microsoft Technical Support does not support this tool and provides this article for informational purposes only.
Scan an item with Windows Security - Microsoft Support
Windows Security (Windows Defender Security Center in previous versions of Windows) enables you to scan specific files and folders to make sure they're safe. You'll be notified immediately if any threats are found.
How to start a scan for viruses or malware in Microsoft Defender
Learn how to protect yourself and how Microsoft Defender is helping to prevent fraud. See: National Public Data breach: What you need to know. You can start a scan for malware any time you like. Note: Microsoft Defender currently offers anti-malware on Windows, Android, and macOS. From the Microsoft Defender dashboard.
Applies To: Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Description of the Windows Registry Checker Tool (Scanreg.exe)
When you start your computer successfully, the Windows Registry Checker tool (Scanreg.exe) creates a backup of system files and registry configuration information (including user account information, protocol bindings, software program settings, and user preferences) once daily.