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Article ID: 821442 - Last Review: June 2, 2008 - Revision: 5.1
You cannot connect to a wireless access point with the Wi-Fi Protected Access update installed
After you install the Wi-Fi Protected Access (WPA) update
(815485) on a Windows XP-based computer, your wireless network adapter may not
be able to connect to your wireless access point by using a Wired Equivalent
Privacy (WEP) key. When this problem occurs, the wireless network connection
status indicates "Wireless Connection cannot be used."
For more information
about the WPA update, click the following article number to view the article in the Microsoft Knowledge Base:
815485Â
(http://kbalertz.com/Feedback.aspx?kbNumber=815485/
)
Overview of the Wi-Fi Protected Access (WPA) security update in Windows XP
This problem may occur if your computer uses an Intel
PRO/Wireless 2100 LAN MiniPCI network adapter with version 1.1.6.0 (or earlier)
drivers for wireless access.
To resolve this problem, update the drivers for your
wireless network adapter to version 1.2.0.56 or later. For additional
information about updated network adapter drivers, visit the following Intel
Technical Support Web site:
Microsoft
provides third-party contact information to help you find technical support.
This contact information may change without notice. Microsoft does not
guarantee the accuracy of this third-party contact information.
To work around this problem, remove the WPA update:
- Click Start, click Control
Panel, and then double-click Add or Remove
Programs.
- Click Windows XP Hotfix (SP2) Q815485, and
then click Remove.
- You may receive an error message that states that some
programs on the computer may not work correctly if the update is removed. Click
Yes to remove the update.
- Restart your computer.
APPLIES TO
- Microsoft Windows XP Home Edition
- Microsoft Windows XP Media Center Edition
- Microsoft Windows XP Professional
- Microsoft Windows XP Tablet PC Edition
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