C. Crane Versa WiFi USB Adapter II - Manual (Page 19)

Versa WiFi USB Adapter II Page 19
Apple / Mac OS 10.3 – 10.5 Installation
15. Once the adapter is plugged in, you will get a message
telling you to enable the WLAN card in the “Network”
item in “System Preferences”. Click “OK”.
16. The WLAN Client Utility window will pop up. Ignore this
window until after the setup is complete.