Thanks for reaching out to the Community with your questions! I'm sorry you are now having issues selecting a new template. We'd be happy to work with you to get this issue resolved. Can you please send an email to social_support(at)constantcontact(dot)com, and be sure to include your username, the problem you are having, and reference this community post. Once we receive that email, we'll be able to log into your account and troubleshoot the issue.
As for updating your account information, the following help article should walk you through where in the account you can update this information. Hope this helps!
Updating Your Account Information
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