If you’re familiar with correctly entering your WPA2 password after an Ubuntu update and now your Netbook won’t connect using WiCD, I got the solution that worked for me.
Uninstall network-manager and restart WiCD
Open a terminal and type:
$ sudo apt-get remove network-manager ... $ sudo /etc/init.d/wicd restart
You may have to restart wicd daemon twice in case you don’t see the wireless networks right away.
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