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.

This article describes an issue in which snapshots are not deleted after you perform a backup operation by using Volume Shadow Copy Service (VSS) in Windows Server 2012 R2. A hotfix is available to resolve this issue.

Previous versions are sometimes referred to as shadow copies. Restoring files from a backup. Restoring files from previous versions. Need more help? Learn how to recover files that have been lost, deleted, or accidentally changed.

Common causes: Too many files in the TemporaryInternetFiles directory—specifically, in C:\Windows\Microsoft.NET\Framework64\v2.0.50727\TemporaryInternetFiles. This causes the System Writer to hit the size limit of the VSS metadata file. VSS Writer has added too many components to its metadata file.

Symptoms. In a Microsoft Exchange Server 2013 environment, Exchange shadow Offline Address Book (OAB) downloads don't complete successfully. Additionally, in the event log, you will receive a warning with Event ID 104 that resembles the following: Resolution.

When you try to access or work with files and folders in Windows, you experience one or more of the following issues: Issue 1: You receive an "Access Denied" error message or a similar message. Issue 2: You cannot access, change, save, or delete files and folders.

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.

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

Fixes a problem in which you receive a "The system cannot find the file specified. (0x80070002)" error when you back up files in Windows 7.

These folders may have to be excluded from antivirus scanning when you use file-level antivirus software in SharePoint. If these folders are not excluded, you may see unexpected behavior. For example, you may receive "access denied" error messages when files are uploaded.