[xubuntu-users] I still have the black rectangle on my desktop.

[m. neasae]

To identify it, in a terminal run:

ps -A | grep $(xprop _NET_WM_PID | cut -d' ' -f3)

...then click on the square.

Assuming its an X11 window, this command will grab the pid of the window 
using xprop and pull out the associated application process info using ps.

On 09/29/2014 04:16 AM, xubuntu-users-request at lists.ubuntu.com wrote:
> I still have the black rectangle on my desktop.