package shim-signed 1.50+15.4-0ubuntu7 failed to install/upgrade: »installiertes shim-signed-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück

nvidia driver problem please help me

ProblemType: Package
DistroRelease: Ubuntu 21.04
Package: shim-signed 1.50+15.4-0ubuntu7
ProcVersionSignature: Ubuntu 5.11.0-34.36-generic 5.11.22
Uname: Linux 5.11.0-34-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.sys.kernel.moksbstate_disabled: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden: '/proc/sys/kernel/moksbstate_disabled'
ApportVersion: 2.20.11-0ubuntu65.1
Architecture: amd64
BootEFIContents:
 BOOTX64.CSV
 grub.cfg
 grubx64.efi
 mmx64.efi
 shimx64.efi
CasperMD5CheckResult: unknown
Date: Fri Sep 10 11:53:07 2021
EFITables:
 Sep 13 18:01:50 david-H81H3-EM2 kernel: efi: EFI v2.31 by American Megatrends
 Sep 13 18:01:50 david-H81H3-EM2 kernel: efi: ESRT=0xdef82998 ACPI=0xde6b9000 ACPI 2.0=0xde6b9000 SMBIOS=0xdef82598 MOKvar=0xdc0a4000
 Sep 13 18:01:50 david-H81H3-EM2 kernel: secureboot: Secure boot disabled
 Sep 13 18:01:50 david-H81H3-EM2 kernel: esrt: Reserving ESRT space from 0x00000000def82998 to 0x00000000def829d0.
 Sep 13 18:01:50 david-H81H3-EM2 kernel: secureboot: Secure boot disabled
ErrorMessage: »installiertes shim-signed-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück
Python3Details: /usr/bin/python3.9, Python 3.9.5, python3-minimal, 3.9.4-1
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.20.9ubuntu1
 apt 2.2.4ubuntu0.1
SecureBoot: 6 0 0 0 0
SourcePackage: shim-signed
Title: package shim-signed 1.50+15.4-0ubuntu7 failed to install/upgrade: »installiertes shim-signed-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück
UpgradeStatus: No upgrade log present (probably fresh install)