尝试安装 VirtualBox-6.1 时出错(安全启动开启)

Error when I am trying to install VirtualBox-6.1(secure boot On)

我在尝试安装 VirtualBox-6.1 时遇到此错误。我无法关闭安全启动。 我正在安装虚拟盒子,因为我想使用 Homestead

Preparing to unpack virtualbox-6.1_6.1.18-142142_Ubuntu_eoan_amd64.deb ...
Unpacking virtualbox-6.1 (6.1.18-142142~Ubuntu~eoan) over (6.1.18-142142~Ubuntu~eoan) ...
Setting up virtualbox-6.1 (6.1.18-142142~Ubuntu~eoan) ...
addgroup: The group `vboxusers' already exists as a system group. Exiting.
vboxdrv.sh: failed: modprobe vboxdrv failed. Please use 'dmesg' to find out why.

There were problems setting up VirtualBox.  To re-start the set-up process, run
  /sbin/vboxconfig
as root.  If your system is using EFI Secure Boot you may need to sign the
kernel modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) before you can load
them. Please see your Linux system's documentation for more information.
Processing triggers for systemd (245.4-4ubuntu3.4) ...
Processing triggers for gnome-menus (3.36.0-1ubuntu1) ...
Processing triggers for desktop-file-utils (0.24-1ubuntu3) ...
Processing triggers for mime-support (3.64ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.17-2) ...
Processing triggers for shared-mime-info (1.15-1) ...

我已经尝试了 majal 的解决方案。 我正在使用 ubuntu 20.04.2
uname -r 的输出是 5.8.0-44-generic
请帮助。

majal 的解决方案有效。我重新安装了 ubuntu 并按照步骤操作。

解决方案是安装 virtualbox-dkms

sudo apt install --reinstall virtualbox-dkms