Admin interface/menus all messed up

Hi Folks,

One of my websites has its Admin/back-end interface all messed up. The pop-out menus are revealed by default and overlaying the left menus so i can’t edit anything. I can’t close them.

They’re also showing on the front-end (when i’m logged-in)

I just updayed my webspace to the latest PHP, and updates WordPress hoping it’d resolve but it hasn’t. Hoping you can help – screenshots attached.

Thanks all,

John