It looks like you have multiple groups in your w3t_Groups table. Did you do a fresh install when you purchased or did you upgrade? Just trying to figure out how those extra groups got in there, because they shouldn't be listed 3 times.
What you can do is go to a mysql prompt mysql -u username databasename -p and execute the following query. (Note this will remove any custom groups you have added)
DELETE FROM w3t_Groups WHERE G_Id > 4;
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Scream

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