Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Open Device Manager. Windows 10. In the search box on the taskbar, type device manager, then select Device Manager from the menu. Was this information helpful?

Disk Management in Windows helps you perform advanced storage tasks like initializing a new drive and extending or shrinking volumes. Here’s some info on things you can do using Disk Management: Initialize a new drive. Extend a basic volume.

To open File Explorer in Windows 10, select its icon on the taskbar, press the Windows logo key + E on your keyboard, or select Start > Documents (directly beneath your user icon). Here are some things to try if File Explorer won't open.

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.

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

Protecting these files prevents problems with programs and the operating system. WFP protects critical system files that are installed as part of Windows (for example, files with a .dll, .exe, .ocx, and .sys extension and some True Type fonts).

To fix this, use the following methods to troubleshoot this Windows Start error. Note To complete these steps, you must have a Windows 8.1, Windows 8, Windows 7 or Windows Vista installation disc. If you do not have a disc, please contact your computer manufacturer or Microsoft Support to obtain one.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs. Repair options from the Settings page. Select Start > Settings > Apps > Apps & features. Apps & features in Settings.

In File Explorer under View, in the Show/hide group, select the File name extensions check box. Below is a list of common Windows file name extensions and formats. Learn what file name extensions are, which extensions are common in Windows, and how to view them in File Explorer.