Windows Vista Services

Offline Files Driver - Windows Vista Service

Allows network files to be used while the local computer is offline.

This service also exists in Windows 10, 7 and 8.

Startup Type

Windows Vista edition without SP SP1 SP2
Starter not exists not exists not exists
Home Basic not exists not exists not exists
Home Premium not exists not exists not exists
Business System System System
Ultimate System System System

Default Properties

Display name:Offline Files Driver
Service name:CSC
Error control:normal

Default Behavior

The Offline Files Driver service is a kernel mode driver. If Offline Files Driver fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the CSC service has failed to start.


Offline Files Driver will not start, if the Redirected Buffering Sub Sysytem service is stopped or disabled.

Restore Default Startup Type of Offline Files Driver

Automated Restore

1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.

2. Save the RestoreOfflineFilesDriverWindowsVista.bat file to any folder on your hard drive.

3. Right-click the downloaded batch file and select Run as administrator.

4. Restart the computer to save changes.

Note. Make sure that the csc.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows Vista installation media.

Yea, though I walk through the valley of the shadow of death, I will fear no evil: for thou art with me; thy rod and thy staff they comfort me.