Activation on2nd PC

R., Have a look @ this article (http://avgclick.me/OtherDevices).
AVG Guru

have just installed AVG Performance 2015  (3 licences) on main machine. Further instalment on 2nd machine does not work, showing conflicts re account. Which data do I have to use for 2nd/3RD instalment ? thanks

R., Have a look @ this article (http://avgclick.me/OtherDevices).
AVG Guru