package shim-signed 1.33.1~16.04.1+13-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

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ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: shim-signed 1.33.1~16.04.1+13-0ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-130.156-generic 4.4.134
Uname: Linux 4.4.0-130-generic x86_64
.proc.sys.kernel.moksbstate_disabled: 0
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
BootEFIContents:
 fw
 fwupx64.efi
Date: Thu Aug 16 16:20:30 2018
DuplicateSignature:
 package:shim-signed:1.33.1~16.04.1+13-0ubuntu2
 Setting up grub-efi-amd64-signed (1.66.18+2.02~beta2-36ubuntu3.18) ...
 grub-install: błąd: /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
EFIBootMgr: Error: command ['efibootmgr', '-v'] failed with exit code 2: efibootmgr: EFI variables are not supported on this system.
EFITables:
 sie 22 14:43:03 monika-Lenovo-ideapad-100-15IBD gnome-session[3995]: diff: /boot/efi/EFI/ubuntu/grubx64.efi: Nie ma takiego pliku ani katalogu
 sie 22 14:43:03 monika-Lenovo-ideapad-100-15IBD gnome-session[3995]: diff: /boot/efi/EFI/ubuntu/shimx64.efi: Nie ma takiego pliku ani katalogu
ErrorMessage: subprocess installed post-installation script returned error exit status 1
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.4
 apt 1.2.27
SourcePackage: shim-signed
Title: package shim-signed 1.33.1~16.04.1+13-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)