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 remove the PC Repair virus - Microsoft Support
This issue can be resolved and the PC Repair virus removed by running the Microsoft Safety Scanner. To do this, follow the steps below: Go to http://www.microsoft.com/security/scanner/en-us/default.aspx and click the Download Now button.
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.
Windows troubleshooters - Microsoft Support
Windows troubleshooters. Get Help has troubleshooters, or diagnostic tests, that can check your system configuration for anything that might be causing issues using your devices. Here's a few of the more common ones.
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:
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.
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.
Update drivers manually in Windows - Microsoft Support
Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.
Use a fix-it tool with Windows 10 - Microsoft Support
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.
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.