Installed. Admin page just show the menu. Nothing on dashboard

Does the front of the site show?

Says ‘Hello World’ and all that?

I would try manually reinstalling the wp-admin folder (delete it off your server and copy a new version up).

Also how did you install?

Did you try deletting the wp-admin folder as I suggested?

Can you share your URL?

Well that’s a VERY old version of WP 🙂

http://www.felixseijasr.com/readme.html

You should install at least version 3.8.3 right now (3.9 would be better).