package shim-signed 1.33.1~16.04.10+15.4-0ubuntu7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128

erro ao atualizar programas e sistema

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: shim-signed 1.33.1~16.04.10+15.4-0ubuntu7
ProcVersionSignature: Ubuntu 4.4.0-210.242-generic 4.4.262
Uname: Linux 4.4.0-210-generic x86_64
.proc.sys.kernel.moksbstate_disabled: 1
ApportVersion: 2.20.1-0ubuntu2.30
Architecture: amd64
Date: Fri May 20 22:51:28 2022
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-xenial-amd64-20160624-2
EFITables:
 Mai 12 19:32:07 emanoelamorim kernel: efi: EFI v2.40 by American Megatrends
 Mai 12 19:32:07 emanoelamorim kernel: efi: ACPI=0xa8603000 ACPI 2.0=0xa8603000 SMBIOS=0xf0000 SMBIOS 3.0=0xf0020 ESRT=0xa92a9018
 Mai 12 19:32:07 emanoelamorim kernel: esrt: Reserving ESRT space from 0x00000000a92a9018 to 0x00000000a92a9050.
 Mai 12 19:32:07 emanoelamorim kernel: Secure boot MOKSBState disabled
ErrorMessage: subprocess installed post-installation script returned error exit status 128
InstallationDate: Installed on 2018-12-17 (1250 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
MokSBStateRT: 7 0 0 0 1
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.7
 apt 1.2.35
SecureBoot: 6 0 0 0 1
SourcePackage: shim-signed
Title: package shim-signed 1.33.1~16.04.10+15.4-0ubuntu7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 128
UpgradeStatus: No upgrade log present (probably fresh install)