James Huff on "I can't log on to my admin site"

Hi

I've got a problem. I cannot login on our admin site and manage our page. What's our problem and how do we solve it?

http://www.beteendevetareilund.se/admin

Try http://www.beteendevetareilund.se/wp-login.php

Also, your current version of WordPress (3.5) is almost 4 years old and vulnerable to numerous publicly known security vulnerabilities.

The current version of WordPress is 4.5.3, so it's time to update: https://codex.wordpress.org/Upgrading_WordPress_Extended#Upgrading_Across_Multiple_Versions