I think BuddyPress is good to use as your required functionality, here we rounded-up some hand-picked collection which we use for our clients. webdesignboom.net/2014/best-wordpress-buddypress-themes/
You can also follow the iPage user guide for WordPress installation http://www.ipage.com/knowledgebase/beta/article.bml?ArticleID=1750
@pioneer you are right they must purge the cache
Im having this exact same issue. Is it not compatible with the new ver of WordPress?
