IOGear GWP512 Manual - Manual (Page 60)

Note: If you want to use the configuration utility we
provide, you have to clear the check of “Use Windows
to configure my wireless network settings” item.
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3. Click the Advanced button and the Local Area
Connection Properties dialog box will be displayed.
Click the Wireless Networks tab from the Wireless
Network Connection Properties dialog box. Select
the box of “Use Windows to configure my wireless
network settings” to enable automatic wireless
network configuration.
WinXP Zero Configuration Utility