Uncheck "The key is provided for me automatically" and enter and confirm your Network key.
I recenty switched from AT&T Uverse to Time Warner because AT&T Uverse could not support Cisco VPN Client.
In order to connect to eduroam network in future, simply bring up Wireless Network Connection window by double-clicking its icon in the tray bar , select eduroam network and click on Connect.
For background information, see Wireless LAN Technologies and Microsoft Windows.
For detailed information about a Windows-based authentication infrastructure, see Wireless Deployment Technology and Component Overview.
If your network is Encrypted go on to step 6 otherwise Click ok and try to connect to your network again.
In this window make sure you are in the "Association" tab.