Windows ME not shutting down

Windows ME is not shutting down. I check system resources and it gave this error message:

Device: ACPI IRQ Holder for PCI IRQ Steering
PNP Device: ACPI\*PNP0C0F00000003
Error Code: 22

What is this error and how can i get ridof this and does ithas something to do with windows not shutting down? will anyone offer me with solution?