[Plugin: Yet Another Related Posts Plugin] Widget doesn't work

Hi again.

I’ve a problem with widget, it doesn’t work.

As you can see in:

https://img831.imageshack.us/img831/4458/widgetss.png

I’ve widget activated.

As you can see in:

https://img835.imageshack.us/img835/1069/pluginsi.png

I’ve no more plugins activated.

As you can see in:

https://img638.imageshack.us/img638/9461/yarp.png

Widget doesn’t work.

Can anyone help me?

Thanks again.