user5@system:/var/cache/apt/archives$ sudo apt install --reinstall emacs24
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following packages were automatically installed and are no longer required:
  linux-headers-4.4.0-92 linux-headers-4.4.0-92-generic linux-image-4.4.0-92-generic
  linux-image-extra-4.4.0-92-generic linux-signed-image-4.4.0-92-generic linux-tools-4.4.0-92
  linux-tools-4.4.0-92-generic
Use 'sudo apt autoremove' to remove them.
The following packages will be upgraded:
  emacs24
1 upgraded, 0 newly installed, 0 to remove and 84 not upgraded.
1 not fully installed or removed.
Need to get 0 B/3,352 kB of archives.
After this operation, 0 B of additional disk space will be used.
Selecting previously unselected package emacs24.
(Reading database ... 372070 files and directories currently installed.)
Preparing to unpack .../emacs24_24.5+1-6ubuntu1.1_amd64.deb ...
/var/lib/dpkg/info/emacs24.prerm: 16: /var/lib/dpkg/info/emacs24.prerm: /usr/lib/emacsen-common/emacs-remove: not found
dpkg: warning: subprocess old pre-removal script returned error exit status 127
dpkg: trying script from the new package instead ...
/var/lib/dpkg/tmp.ci/prerm: 16: /var/lib/dpkg/tmp.ci/prerm: /usr/lib/emacsen-common/emacs-remove: not found
dpkg: error processing archive /var/cache/apt/archives/emacs24_24.5+1-6ubuntu1.1_amd64.deb (--unpack):
 subprocess new pre-removal script returned error exit status 127
update-alternatives: error: alternative path /usr/bin/emacs24-x doesn't exist
dpkg: error while cleaning up:
 subprocess installed post-installation script returned error exit status 2
Errors were encountered while processing:
 /var/cache/apt/archives/emacs24_24.5+1-6ubuntu1.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)