Wifi connection Issue after last Windows update

[AWS]

After the last Window XP updates, I faced an internet wifi connection issue.I'm (and other people I know) are getting issue when we try to connect to wifi. One of my friend has windows 7 and got the same problem. Personally, I have two laptops (Thinkpad T43 and T60), the T43 only has been affected. I did many tests (ipconfig tests,

ping, etc) and found what could be the issue. I found I was not able to conect to my router. I changed my wifi configuration to no security (no wep or wpa key). At that point I was able to connect to internet. I changed again my wifi security to a WEP key with special characters and was not able to reach

my router connection. However, when I changed my WEP key to only alphanumeric characters that worked. With the WPA key I'm not able to connect to my wifi.

My laptop is an old one but a friend of mine as a brand new one. I have the feeling that could be a conflict with some brands of wireless adapters. I have an intelpro 2200BG in the T43 a different one in the T60. In my tests, I used all the same configurations than my other laptop which does not have any issue. I used the

same radio Channel and values. I would like to get the thoughts from an expert to fix properly the issue

Thank you

 

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