The solution posted by @schlypel worked for me too. As for @jason-t-lenz, it was not called "nvidia-persistenced" but "nvidia-persiste". I could then install nvidia-331-updates with no issues.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1401591 Title: package nvidia-331 331.113-0ubuntu0.1 failed to install/upgrade: subprocess installed post-removal script returned error exit status 8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/+bug/1401591/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs