Windows XP Services

Generic Packet Classifier - Windows XP Service

Generic Packet Classifier.

This service exists in Windows XP only.

Startup Type

Windows XP edition without SP SP1 SP2 SP3
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Default Properties

Display name:Generic Packet Classifier
Service name:Gpc
Error control:normal

Default Behavior

The Generic Packet Classifier service is a kernel driver. If the Generic Packet Classifier fails to load or initialize, the error is recorded into the Event Log. Windows XP startup should proceed, but a message box is displayed informing you that the Gpc service has failed to start.


If the Generic Packet Classifier is stopped, the QoS Packet Scheduler fails to start and initialize.

Restore Default Startup Type for Generic Packet Classifier

Automated Restore

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

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

3. Run the downloaded batch file.

4. Restart the computer to save changes.

Note. Make sure that the msgpc.sys file exists in the %WinDir%\system32\DRIVERS folder. If this file is missing you can try to restore it from your Windows XP 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.