LXDE Forums

Hi, my desktop seems to be glitching in a very odd way it seems to be showing sections of wallpaper and a background color.i have desktop icons to the left side of the screen when i click on the middle of the screen a square shaped section appears with duplicate icons then when i click to the left side of the screen that section goes away anyone have any idea what the problem is and how to fix this?
im using lubuntu version 13.04

Screenshot here:
http://s797.photobucket.com/user/duitno ... sort=3&o=0