bertadmin@VM-Studio-2004:~$ sudo apt install dkms
[sudo] password for bertadmin: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  dctrl-tools
Suggested packages:
  debtags menu
The following NEW packages will be installed:
  dctrl-tools dkms
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 128 kB of archives.
After this operation, 599 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://mirrors.usinternet.com/ubuntu/archive focal/main amd64 dctrl-tools amd64 2.24-3 [61.5 kB]
Get:2 http://mirrors.usinternet.com/ubuntu/archive focal-updates/main amd64 dkms all 2.8.1-5ubuntu2 [66.8 kB]
Fetched 128 kB in 1s (118 kB/s)
Selecting previously unselected package dctrl-tools.
(Reading database ... 434533 files and directories currently installed.)
Preparing to unpack .../dctrl-tools_2.24-3_amd64.deb ...
Unpacking dctrl-tools (2.24-3) ...
Selecting previously unselected package dkms.
Preparing to unpack .../dkms_2.8.1-5ubuntu2_all.deb ...
Unpacking dkms (2.8.1-5ubuntu2) ...
Setting up linux-image-5.15.0-87-lowlatency (5.15.0-87.96~20.04.1) ...
Setting up dctrl-tools (2.24-3) ...
Setting up dkms (2.8.1-5ubuntu2) ...
Processing triggers for man-db (2.9.1-1) ...
Processing triggers for linux-image-5.15.0-87-lowlatency (5.15.0-87.96~20.04.1) 
...
/etc/kernel/postinst.d/dkms:
 * dkms: running auto installation service for kernel 5.15.0-87-lowlatency
   ...done.
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.15.0-87-lowlatency
/etc/kernel/postinst.d/vboxadd:
run-parts: failed to exec /etc/kernel/postinst.d/vboxadd: Exec format error
run-parts: /etc/kernel/postinst.d/vboxadd exited with return code 1
dpkg: error processing package linux-image-5.15.0-87-lowlatency (--configure):
 installed linux-image-5.15.0-87-lowlatency package post-installation script sub
process returned error exit status 1
Errors were encountered while processing:
 linux-image-5.15.0-87-lowlatency
E: Sub-process /usr/bin/dpkg returned an error code (1)