If you unzipped all of the profiles from the Elation website and put them on the card, then they are in various folders. The SD2 can't open folders on the CF card. Copy the fixtures that you need into the root directory of the card.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .