Sorry for my English but google does what he can.
Before hand I commend you for the component, there are some details that are not if it works well, is an issue that could be improved or just me is it failing
I no longer get the error report. thank you very much ...
but I think there is another issue with the connection failing with MailChimp ...
the list of users who do not have in malchimp download component CMC
When do I get to finish the user registration and I will edit the profile should exist a square where the same user can subscribe or unsubscribe to the newsletter in case you had not initially miss
Thank you