query: Upgrade to 16.04 fails
positive_passages.docid: 1520
positive_passages.text: How to install software or upgrade from an old unsupported release?
negative_passages.docid: 11579
negative_passages.text: Broken dependencies after upgrade
negative_passages.docid: 65808
negative_passages.text: 17.10 to 18.04 upgrade freezes during boot
negative_passages.docid: 87875
negative_passages.text: Anki does not run on Ubuntu 16.10 after upgrade from 16.04
negative_passages.docid: 107009
negative_passages.text: ubuntu 18.04 apt-get upgrade problem "redirection loop encountered."
negative_passages.docid: 144507
negative_passages.text: No facility exists in Update Manager to upgrade to a new version, why?
negative_passages.docid: 20398
negative_passages.text: dpkg broken after 15.04 upgrade fail
negative_passages.docid: 80794
negative_passages.text: Ubuntu 18.04 stuck at upgrading linux-header
negative_passages.docid: 147407
negative_passages.text: Apt-get fails on 16.04 or 18.04 installing mongodb
negative_passages.docid: 64509
negative_passages.text: Can't update from official repositories [Error 409]
negative_passages.docid: 16428
negative_passages.text: Upgrade to the latest PHP version in ubuntu 16.04
negative_passages.docid: 19288
negative_passages.text: Update manager doesn't offer an upgrade to the new release
negative_passages.docid: 77705
negative_passages.text: Unable to upgrade in ubuntu
negative_passages.docid: 153266
negative_passages.text: errors upgrading from 14.04 to 16.04 about Unknown Multi-Arch type for compiz, libkf5akonadisearch-bin packages
negative_passages.docid: 129101
negative_passages.text: Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
negative_passages.docid: 151579
negative_passages.text: Interrupted upgrade from 15.10 to 16.04, Ubuntu boots into black screen
negative_passages.docid: 26305
negative_passages.text: Problem with .deb packages on Ubuntu 16.04