SOLVED How can I activate the checkbox in WebGUI's Shell

[Anda]

Hello guys,

I have a problem with my WebGui's shell.

I can't activate the checkbox here --> http://puu.sh/qLSoi/4de4e7efc8.png

I've tried several browser but I simply dont know how two set a "x" in the box.

I know the question is really stupid, but pls help :>

 

[Jailer]

Spacebar

 

[Anda]

OMG... Thanks...