If this icon is for the Intel configuration utility, you don't need it if using Wireless Zero Configuration (let Window manage this connection). This is just a shortcut to the device properties, which you should be able to access from Device Manager anyway. The power on/off might not work (if there is a switch for this), but nothing else should be affected. If this icon is the XP SP2 wireless connection icon, it can be accessed from the wireless connection properties from the checkbox to show the icon when connnected. It is possible that icon is not set to always show in the taskbar properties. Right-click the start button to access the icon display properties.
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