Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.

Introduction This article introduces a hotfix that updates the Chkdsk.exe utility in Windows 7 and in Windows Server 2008 R2. Currently, the Chkdsk.exe utility cannot repair certain corruption errors on the system volume. These errors occur when the boot file is allocated to the first cluster instead of the first two clusters on the system volume.

System File Checker (SFC) is a Windows tool that checks system files for corruption and helps fix problems that may cause Windows to malfunction. 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. In the search box on the taskbar, type command prompt, and right-click or press and hold ...

Learn how to troubleshoot problems updating Windows. Find answers to common questions and issues installing Windows updates.

Summary On a computer running an operating system listed in the Applies To section, you create or extend a volume. The size of the volume is a multiple of 8 gigabytes (GB). For example, the size of the volume is 8,192 megabyte (MB), 16,384 MB, 32,768 MB, etc. (NOTE: 1 GB equals 1,024 MB). Symptoms You may experience one or more of the following problems When you run the ChkDsk.exe utility on ...

The Recovery Drive utility in Windows is a valuable tool designed to back up essential system files needed to restore a PC to its original state. This utility creates a USB recovery media that can help you restore your Windows device to its factory settings, even if you replace the hard drive or completely wipe the drive. The recovery media includes built-in Windows files, any updates ...

Follow these steps to automatically diagnose and repair problems with files and folders in Windows. These problems might include the inablility to delete files or folders from the Recycle Bin, or troubles with trying to copy, move, rename, or delete a file. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the File and ...

Fixes an issue in which the chkdsk command does not run correctly in Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2.