problem with desktop

[Oblio]

> Hi all,
>
> today while i was using my xfce 4.2 suddently the desktop switcher
> desappeared and my windows lost their borders. As you can see from the
> image, i haven't the "close window" cross neither the rest of the  
> buttons.
>
> The windows open on the taskbar.
> Also Alt+Tab to cycle between open windows doesn't work.
> The mouse pointer is a cross instead of an arrow.
>
> How can i fix these errors?
>
> Thank you
>
> Amir


xfwm4 is dead. Restart it. Alt-F2 -> xfwm4