Do not change your billing address on this page.
If you need to change your billing address:
1. Click Pay Later under Invoices
2. Click your Name (link) at the top of the page. This will take you to your account page.
3. Under the About Me tab, add the billing address needed. Make sure to check Preferred Billing Address
4. Save and Close.
5. You should then be able to Click the Renew Now button and proceed with payment.