BuddyPress.org

All of my users can not login to there account. They get redirected to the Home page. I can login to my admin account true website.com/wp-login but not from the login-widget.

What to do.

website http://www.npf-forum.se
latest wordpress
latest bb press
latest buddy press
genesis child theme latest.
And have also uploaded a backupp from my host and with that updated the database
I have cleard the cach several times
I have created a new user-account wich doesnet work to login with.

I´m, stuck