Comment 2 for bug 296757

I confirm this too as it is session which crash and not gDesklet it seems.

Right clicking any gDesklet of any sort makes xsession to explode and go back to login screen immediately.

I've made an interesting experience which leads me to the conclusion that metacity is the problem.

Because if i replace metacity by xfwm4 (xfce WM) then i can use gDesklet without any issue so this as to do with metacity in some way i am now sure.