E: /var/cache/apt/archives/compiz-core_0.0.13.37-0ubuntu2_i386.deb: trying to overwrite `/usr/bin/compiz.real', which is also in package compiz
E: /var/cache/apt/archives/compiz-plugins_0.2-0ubuntu1_i386.deb: trying to overwrite `/usr/lib/compiz/libshowdesktop.so', which is also in package compiz
E: /var/cache/apt/archives/compiz-gnome_0.0.13.37-0ubuntu2_i386.deb: trying to overwrite `/usr/share/gnome/wm-properties/compiz.desktop', which is also in package compiz