The Poké Transporter software has been updated to Version 1.3. This update must be applied in order to use the Internet features of Poké Transporter. Update detail: Adjustments have been made to make for a more pleasant gaming experience. The update don't give full details but require 421 blocks. Source: official website EDIT: The update doesn’t seem to include Gold & Silver compatibility but does fix a glitch that existed when determining shiny Pokémon where it took the wrong IV in Gen 1 to determine shinieiss.