Unable to browse or join AirPort network after setup with Windows XP Service Pack 3
You may notice that you cannot browse available wireless networks after setting up your AirPort wireless product using AirPort Utility and Windows XP Service Pack 3.
You may receive an error message when you click "View Available Wireless Networks" using Windows or otherwise attempt to join an AirPort wireless network.
Alternatively, you may also encounter this issue if you have just installed Service Pack 3 on your computer running Microsoft Windows XP.
Enable the Microsoft Zero Configuration Service and set it to run automatically at startup by following the steps in this Microsoft Support article. After performing the steps outlined and clicking the Apply button, you may then browse available wireless networks normally using Windows, including your AirPort wireless product(s).
Make sure you enable the Zero Configuration Service to run automatically each time the computer starts, or you will have to repeat these steps each time you restart or shut down your computer.
To learn more about Microsoft Zero Configuration Service, see Wireless Zero Configuration Reference.