Preparing to unpack .../libpng12-0_1.2.51-0ubuntu3.15.10.2_i386.deb ... De-configuring libpng12-0:amd64 (1.2.51-0ubuntu3.15.10.1) ... Unpacking libpng12-0:i386 (1.2.51-0ubuntu3.15.10.2) over (1.2.51-0ubuntu3.15.10.1) ... Preparing to unpack .../libpng12-0_1.2.51-0ubuntu3.15.10.2_amd64.deb ... Unpacking libpng12-0:amd64 (1.2.51-0ubuntu3.15.10.2) over (1.2.51-0ubuntu3.15.10.1) ... Preparing to unpack .../grub-efi-amd64-signed_1.55.3+2.02~beta2-29ubuntu0.3_amd64.deb ... Unpacking grub-efi-amd64-signed (1.55.3+2.02~beta2-29ubuntu0.3) over (1.55.2+2.02~beta2-29ubuntu0.2) ... Preparing to unpack .../grub-efi-amd64_2.02~beta2-29ubuntu0.3_amd64.deb ... Unpacking grub-efi-amd64 (2.02~beta2-29ubuntu0.3) over (2.02~beta2-29ubuntu0.2) ... Preparing to unpack .../grub-efi-amd64-bin_2.02~beta2-29ubuntu0.3_amd64.deb ... Unpacking grub-efi-amd64-bin (2.02~beta2-29ubuntu0.3) over (2.02~beta2-29ubuntu0.2) ... Preparing to unpack .../grub2-common_2.02~beta2-29ubuntu0.3_amd64.deb ... Unpacking grub2-common (2.02~beta2-29ubuntu0.3) over (2.02~beta2-29ubuntu0.2) ... Preparing to unpack .../grub-common_2.02~beta2-29ubuntu0.3_amd64.deb ... Unpacking grub-common (2.02~beta2-29ubuntu0.3) over (2.02~beta2-29ubuntu0.2) ... Preparing to unpack .../python-pygments_2.0.1+dfsg-1.1svn1.1_all.deb ... Unpacking python-pygments (2.0.1+dfsg-1.1svn1.1) over (2.0.1+dfsg-1.1svn1) ... Preparing to unpack .../winetricks_0.0+201601062303~ubuntu15.10.1_all.deb ... Unpacking winetricks (0.0+201601062303~ubuntu15.10.1) over (0.0+201601052204~ubuntu15.10.1) ... Processing triggers for doc-base (0.10.6) ... Processing 1 changed doc-base file... Registering documents with scrollkeeper... Processing triggers for install-info (6.0.0.dfsg.1-3) ... Processing triggers for man-db (2.7.4-1) ... Processing triggers for ureadahead (0.100.0-19) ... ureadahead will be reprofiled on next reboot Processing triggers for systemd (225-1ubuntu9) ... Setting up libpng12-0:amd64 (1.2.51-0ubuntu3.15.10.2) ... Setting up libpng12-0:i386 (1.2.51-0ubuntu3.15.10.2) ... Setting up grub-common (2.02~beta2-29ubuntu0.3) ... update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults Setting up grub2-common (2.02~beta2-29ubuntu0.3) ... Setting up grub-efi-amd64-bin (2.02~beta2-29ubuntu0.3) ... Setting up grub-efi-amd64 (2.02~beta2-29ubuntu0.3) ... Installing for x86_64-efi platform. efibootmgr: EFI variables are not supported on this system. efibootmgr: EFI variables are not supported on this system. Installation finished. No error reported. Generating grub configuration file ... Found linux image: /boot/vmlinuz-4.2.0-23-generic Found initrd image: /boot/initrd.img-4.2.0-23-generic Found linux image: /boot/vmlinuz-4.2.0-22-generic Found initrd image: /boot/initrd.img-4.2.0-22-generic Found linux image: /boot/vmlinuz-4.2.0-16-generic Found initrd image: /boot/initrd.img-4.2.0-16-generic Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin done Setting up grub-efi-amd64-signed (1.55.3+2.02~beta2-29ubuntu0.3) ... grub-install: error: /usr/lib/grub/i386-pc/modinfo.sh doesn't exist. Please specify --target or --directory. dpkg: error processing package grub-efi-amd64-signed (--configure): subprocess installed post-installation script returned error exit status 1