Windows 7 Services

System Attribute Cache - Windows 7 Service

Attribute Cache Indexer.

This service also exists in Windows 8.

Startup Type

Windows 7 edition without SP SP1
Starter System System
Home Basic System System
Home Premium System System
Professional System System
Ultimate System System
Enterprise System System

Default Properties

Display name:System Attribute Cache
Service name:discache
Error control:normal

Default Behavior

The System Attribute Cache service is a kernel driver. If the System Attribute Cache fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the discache service has failed to start.


If the System Attribute Cache is stopped, the AppID Driver fails to start and initialize.

Restore Default Startup Type of System Attribute Cache

Automated Restore

1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.

2. Save the RestoreSystemAttributeCacheWindows7.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 discache.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 7 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.