If you currently use IEEE 802.1x authentication on Windows XP Service Pack 1 and do not use WPA encryption, it is recommended to uninstall Q826942 (WPA Supplicant update in Windows XP ) and Q815485 (WPA Wireless Security Update in Windows XP). To check if the Q826942 or Q815485 is installed and to uninstall it:
Start Windows XP and logon with administrative privileges.
For Windows XP with Classic Start menu, click Start, select Settings, and click Control Panel. Otherwise, click Start, then click Control Panel.
Click Add or Remove Programs.
Click Windows XP Hotfix (SP2) Q826942 or Windows XP Hotfix (SP2) Q815485 if it is listed under Currently installed programs. Note: The above action will remove all the fixes within the update rollup package, Q826942. You may need to reinstall the other specific hotfixes you expect for this rollup package.
Click Remove and follow the instructions on the screen.
If you use Windows 2000, please stop the Microsoft Wireless Configuration service if already installed. To check if the service is installed and to stop it:
Start Windows 2000 and logon with administrative privileges.
Click Start, select Settings, then click Control Panel.
Double-click Administrative Tools then Services.
Double-click Wireless Configuration if it is listed.
Change Startup type to Disabled if it is not.
You may need to re-enter security information after updating the Wireless LAN driver.
Installation information for Windows 2000, and XP
The following software must be updated when you install this package.