Update-grub result

Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-3.16.0-38-generic
Found initrd image: /boot/initrd.img-3.16.0-38-generic
Found linux image: /boot/vmlinuz-3.13.0-37-generic
Found initrd image: /boot/initrd.img-3.13.0-37-generic
  No volume groups found
Found Windows 8 (loader) on /dev/sda2
Found linux image: /boot/vmlinuz-3.16.0-38-generic
Found initrd image: /boot/initrd.img-3.16.0-38-generic
Found linux image: /boot/vmlinuz-3.13.0-37-generic
Found initrd image: /boot/initrd.img-3.13.0-37-generic
Found memtest86+ image: /boot/memtest86+.elf
Found memtest86+ image: /boot/memtest86+.bin
done