Thanks Greysts

On my main desktop computer:
Under the section Lan or Highspeed Internet
Local area conection connected
Realtek RTL8169/8110 Family
Gigabit Ethernet NIC

This connection uses the following items:
Client for Microsoft Networks
File and printer sharing for Microsoft Networks
QoS Packet Scheduler
Internet Protocol (TCP/IP)

On the second computer

Under the section Wireless Network Connection
Connected
Belkin 802.11g Network Adapter

Connect using Belkin 802.11g Network Adapter
This connection uses the following items:
Client for Microsoft Networks
File and printer sharing for Microsoft Networks
QoS Packet Scheduler
AEGIS Protocol (IEEE802.1x) v2.3.0.0
Internet Protocol (TCP/IP)

Thanks Jeff