Sample editor doesnt work for me

I have problem that seems to be with regards to all my projects. When I double click onto a audio file , which takes me into the sample editor . The options on left side ( variadio, audio warp etc) I cannot seem to be able to click on them . I click and then nothing happens , this is with every audio file btw.

Im using cubase 6 . Please help

Ctrl + Alt + L opens theleft side.