We understand that many users currently have self-hosted Wordpress blogs. If your blog is self-hosted, we cannot support these accounts given Wordpress's current authentication process and API at this time. We are considering other ways to measure influence on these blogs for the future. 

If your blog is not self-hosted and you are still having issues connecting your Wordpress, please clear your cache, cookies, and browsing history.  If this still does not fix the problem, email us at help@klout.com with a screenshot of the error you have received and we will be happy to further assist you.