dpkg error preventing install or upgrade

[Valtam]

Who knows what happened. You're so far, the only one to report this type of problem.

Now try:

Code:

sudo rm -rf /var/lib/apt/lists/partial/us.archive.ubuntu.com_ubuntu_dists_xenial-updates_InRelease
sudo rm -rf  /var/lib/apt/lists/partial/us.archive.ubuntu.com_ubuntu_dists_xenial-backports_InRelease

to clear remaining errors. then run:

Code:

sudo apt-get update && sudo apt-get dist-upgrade

report back with the output please.