I recently bought a new Linksys wireless router and after setting it up with basic WEP security, I tried to logon from my laptop and was successful! So then I tried to connect from my desktop computer that has a wireless USB adapter attached to it and I ended up getting this error message: Fabulous! I checked my settings on the wireless router to make sure I didn’t accidentally setup certificate security, but found no such thing.Also, since I was able to connect from my laptop with no problem, it led me to believe it was something wrong with my desktop.

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It says something about windows not finding a certificate.

The weird part is that I was using WPA TKIP with the passphrase and it was working fine.

First, click on the wireless icon in your taskbar and under Related Tasks, choose Change advanced settings.

Now click on the Wireless Networks tab and select the network in the list at the bottom.

Make sure that the WLAN light is on or flashing, check the settings whether the SSID is broadcasted or hide. When you connect to a wireless network, the settings and profile of that specific network is saved on your computer so that you won’t have to re-enter your network credentials, such as the wireless security key to connect the next time.

Change the Wireless Network Name and Channel, save and reboot. Try to change different security type to see whether you meet the same problem. Below are FAQs about how to remove wireless profile: Windows XP; Windows Vista; Windows 7; Windows 8; Windows 10; MAC OS.

I moved the selection tab to WPA2 only and keep the rest the same and no luck. Ok so I setup the router to only transmit wireless N and to use WPA2 only.

I moved the selection tab to WPA2 only and keep the rest the same and no luck.

Abstract This article describes the tools used to troubleshoot a Microsoft Windows XP or Windows Server 2003-based wireless client, a wireless access point (AP), and the Internet Authentication Service (IAS) when using Institute of Electrical and Electronic Engineers (IEEE) 802.1X authentication for IEEE 802.11-based wireless connections.

This article also describes the most common problems with IAS authentication and authorization, certificate properties, and the process of certificate validation for both wireless client and IAS server certificates.

Click on Properties once you select the wireless network that is having problems.