Can't connect from PC laptop

As did many others yesterday I had problems with Airport Extreme after the firmware update. I finally got that resolved, but now I can't connect wirelessly from my pc laptop. The network is visible and shows up as Automatic. Previously it came up as Manual. Because of the age of my network card I have to have a 13 place password and I do. When I try to connect the password defaults to something much shorter, but replacing the password doesn't help. I also show no signal strength, but I had that same situation when I first installed AE and it was resolved once the password issue was resolved. I think the Manual versus Automatic may be a clue, but I have no idea how to make it Manual. Thanks for any assistance.

Under Network Connections (if Windows XP), right-click your wireless network, and choose Properties.
Click the Wireless Networks tab, and then delete the network under Preferred networks before adding it back in.

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