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.

Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

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.

If you're currently running Windows 10, version 1507, 1511, 1607, 1703, 1709, or version 1803, you can expect to receive a notification that states that your device must have the latest security updates installed and then offers to update your device.

Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.

Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

Blue Screen errors (also sometimes called black screen errors or STOP code errors) can occur if a serious problem causes Windows to shut down or restart unexpectedly. You might see a message that says, "Windows has been shut down to prevent damage to your computer" or a similar message.

Windows 10. Type about in the search box on your taskbar, and then select About your PC. View your PC info.

Windows 10. Type info in the search box on your taskbar, and then select System Information. View your system info.

To open File Explorer in Windows 11, select File Explorer on the taskbar or press the Windows logo key + E on your keyboard. Here are some things to try if File Explorer won't open. Check for updates. Restart your device. Reset your PC.