query: Stuck on "Removing conflicting operating system files" while upgrading from 14.04 to 15.04
positive_passages.docid: 157221
positive_passages.text: Reinstalling Ubuntu 15.10: "Removing conflicting operating system files" has been running for almost 24 hours
negative_passages.docid: 76241
negative_passages.text: "no public key available" while upgrading using update-manager
negative_passages.docid: 33651
negative_passages.text: How to upgrade from Ubuntu 12.10 to 14.04
negative_passages.docid: 67481
negative_passages.text: How to revert a do-release-upgrade?
negative_passages.docid: 56150
negative_passages.text: Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
negative_passages.docid: 211
negative_passages.text: Can I skip over releases when upgrading?
negative_passages.docid: 62881
negative_passages.text: After upgrading from Ubuntu 14.04 LTS to 16.04 LTS, last process left cleaning, how to perform?
negative_passages.docid: 97346
negative_passages.text: Is it possible to skip releases during an upgrade?
negative_passages.docid: 151605
negative_passages.text: upgrading from 15.10 to 16.04 apt not installed
negative_passages.docid: 7357
negative_passages.text: upgrade to 13.10 stalled and restart failed
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: 120161
negative_passages.text: Ubuntu 19.04 problems install upgrades
negative_passages.docid: 144507
negative_passages.text: No facility exists in Update Manager to upgrade to a new version, why?
negative_passages.docid: 8962
negative_passages.text: How to install multiple versions of the same software?
negative_passages.docid: 134563
negative_passages.text: How do I remove a broken software source?
negative_passages.docid: 45772
negative_passages.text: "This computer currently has no detected operating systems" when installing
negative_passages.docid: 20399
negative_passages.text: How do I upgrade from 14.04 LTS to 16.04.1 LTS?