Comment 8 for bug 1061863

I was not the original poster, but I had the same problem. The output is:

(grub-customizer:4842): Gtk-WARNING **: Theme directory 8x8/emblems of theme Paper has no size field

(grub-customizer:4842): Gtk-WARNING **: Theme directory 8x8@2x/emblems of theme Paper has no size field

(grub-customizer:4842): Gtk-WARNING **: Theme directory 16x16@2x/panel of theme Paper has no size field

(grub-customizer:4842): Gtk-WARNING **: Theme directory 24x24@2x/animations of theme Paper has no size field

(grub-customizer:4842): Gtk-WARNING **: Theme directory 24x24@2x/panel of theme Paper has no size field

 *** initializing (w/o specified bootloader type)…
   * reading partition info…
   * Loading Framebuffer resolutions (background process)
   * Finding out if this is a live CD
sh: 1: hwinfo: not found
 *** initializing (w/ specified bootloader type)…
   * Checking if the config directory is clean
 *** loading configuration
 *** loading - preserveConfig: no
   * unsetting saved config
 *** loading settings
 *** loading grub list
   * loading scripts…
   * loading proxies…