query: Errors during updating ubuntu
positive_passages.docid: 65
positive_passages.text: What can I do if a repository/PPA does not have a Release file?
negative_passages.docid: 117728
negative_passages.text: sudo apt update error
negative_passages.docid: 13970
negative_passages.text: Why am I not getting the Ubuntu 18.04 upgrade?
negative_passages.docid: 1520
negative_passages.text: How to install software or upgrade from an old unsupported release?
negative_passages.docid: 120161
negative_passages.text: Ubuntu 19.04 problems install upgrades
negative_passages.docid: 117852
negative_passages.text: "Package dependencies cannot be resolved" error when installing software
negative_passages.docid: 5316
negative_passages.text: Update from 14.04 to 16.04 failed with GPG error
negative_passages.docid: 92002
negative_passages.text: Why does an error appear every time I try to open the Ubuntu Software Center?
negative_passages.docid: 4305
negative_passages.text: How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
negative_passages.docid: 35152
negative_passages.text: Dependency errors for python3 and many others when I run sudo apt-get upgrade
negative_passages.docid: 153810
negative_passages.text: "Untrusted packages could compromise your system's security" appears while trying to install anything
negative_passages.docid: 65099
negative_passages.text: Unable to install any updates through update manager/apt-get upgrade
negative_passages.docid: 129101
negative_passages.text: Upgrading Ubuntu 9.04 to 9.10 when Update Manager doesn't let you
negative_passages.docid: 135383
negative_passages.text: Unable to update my system Ubuntu13.04: Getting message - requires installation of untrusted packages
negative_passages.docid: 55211
negative_passages.text: Problem when upgrading to Ubuntu 14.04 from Ubuntu 12.04
negative_passages.docid: 20751
negative_passages.text: Problem upgrading Ubuntu 9.10
negative_passages.docid: 19749
negative_passages.text: How to debug an unmet dependencies problem?