ubuntu 14.04.5 LTSを使用している超初心者です。
sudo apt-get installを使用すると以下のメッセージが出ます。

dpkg: warning: files list file for package 'libraw9:amd64' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'linux-image-extra-3.13.0-144-generic' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'python-crypto' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'libvncserver0:amd64' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'python3-crypto' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'linux-libc-dev:amd64' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'dkms' missing; assuming package has no files currently installed
dpkg: unrecoverable fatal error, aborting:
files list file for package 'linux-generic' is missing final newline
E: Sub-process /usr/bin/dpkg returned an error code (2)

どうしたら良いものかさっぱり分かりません。
どなたかお助け下さい。