Xp validating identity wireless network

If an authentication requires additional information from the user, such as selecting one of multiple user certificates, a text balloon appears instructing the user.I was on the internet using a wireless hookup, then im not on the internet and its telling me its trying to "Validate Identity" I don't know what this means or what it needs to Validate and or who's or whats Identity?

This article assumes background knowledge in IEEE 802.11 wireless LAN and associated security technologies and the components of a Windows-based authentication infrastructure.Are you receiving an endless "Validating Identity" connection status when trying to connect to a wireless network.In a few simple steps you can bypass Windows Validation, and the resulting "Limited or No Connectivity" issue on an encrypted connection.Select your encryption type from the "Network Authentication" and "Data Encryption" drop downs.Uncheck "The key is provided for me automatically" and enter and confirm your Network key.