Установка, предупреждающая или сбой

Когда я хочу установить nvidia-355, я добираюсь;

Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
nvidia-355 : Depends: xorg-video-abi-11 but it is not installable or
                   xorg-video-abi-12 but it is not installable or
                   xorg-video-abi-13 but it is not installable or
                   xorg-video-abi-14 but it is not installable or
                   xorg-video-abi-15 but it is not installable or
                   xorg-video-abi-18 but it is not installable or
                   xorg-video-abi-19 but it is not installable
          Recommends: libcuda1-355 but it is not going to be installed
          Recommends: nvidia-opencl-icd-355 but it is not going to be installed
N: Ignoring file '50unattended-upgrades.ucf-old' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension
E: Unable to correct problems, you have held broken packages.

Каждый раз, когда я хочу обновить или установить что-то, что я всегда получаю

N: Ignoring file '50unattended-upgrades.ucf-old' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension

какие-либо идеи решить это?