On Windows Vista computers, you find that the Windows Firewall service is not running. When you try to manually start the service, you get the error mentioned below. This problem may also occur for the DHCP Client service, or the “Diagnostic Policy Service� service.

Here are the errors for the “Windows Firewall” service:

Windows could not start the Windows Firewall on Local Computer. For more information, review the System Event Log. If this is a non-Microsoft service, contact the service vendor, and refer to service-specific error code 5.

In the System event log, you see the following event:

Source: Service Control manager Eventlog Provider.
Event ID: 7024
The Windows Firewall service terminated with service-specific error 5 (0x5)