404 page on logout

Hello again,
I currently have two sites linked and everything was going smoothly until I logged out as the master user on the account. While logged in I am able to view the home page and all its glory but on logout, I get a 404 page. This is what error I am getting.

Is this a problem with the htaccess, the host, or is it something I did? :/
Any information would be great, thanks.