Do you suffer the fact that you just updated your wordpress plugins, and openID in special, after which your wordpress becomes unusable? I had the same and here’s how to resolve..
Open wp-includes/user.php and at the line that says:
function get_usermeta( $user_id, $meta_key = ”) {
Just write a new function just above That . . . → Read More: Bug in OpenID plugin for wordpress
