[Solved] Rediect not working when WordPress is in sub-directory

We are running wordpress on a Windows server (IIS) and running it on https://www.domain.com/wordpress/

Now the tabbed login widget does not work. It is using an old style URL.

You should change line 91 of the tabbed-login.php:

form method="post" action="<?php bloginfo('url') ?>/wp-login.php" class="wp-user-form">

to:

<form method="post" action="<?php echo wp_login_url(); ?>" class="wp-user-form">