query: Cannot do update and cannot install any package
positive_passages.docid: 1520
positive_passages.text: How to install software or upgrade from an old unsupported release?
negative_passages.docid: 13107
negative_passages.text: How to install updates via command line?
negative_passages.docid: 30588
negative_passages.text: Unable to locate package
negative_passages.docid: 64509
negative_passages.text: Can't update from official repositories [Error 409]
negative_passages.docid: 74763
negative_passages.text: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution)
negative_passages.docid: 98511
negative_passages.text: 16.04 Cannot install anything from Ubuntu Software center
negative_passages.docid: 41844
negative_passages.text: Package Install via Market sometimes fails and gives seemingly random error message
negative_passages.docid: 50161
negative_passages.text: Can't install/uninstall packages in Debian
negative_passages.docid: 73173
negative_passages.text: How to Fix Broken Packages?
negative_passages.docid: 156977
negative_passages.text: Unable to install files with apt-get: "unable to locate package"
negative_passages.docid: 153810
negative_passages.text: "Untrusted packages could compromise your system's security" appears while trying to install anything
negative_passages.docid: 90937
negative_passages.text: apt-get update errors
negative_passages.docid: 118978
negative_passages.text: Not all updates can be installed: partial upgrade
negative_passages.docid: 4124
negative_passages.text: I cannot run apt update properly - apt update hangs
negative_passages.docid: 29326
negative_passages.text: Can't install a package due to "Something wicked happened resolving" error
negative_passages.docid: 115648
negative_passages.text: dpkg exit with error "cannot scan updates directory `/var/lib/dpkg/updates/': No such file or directory", how to fix it?
negative_passages.docid: 2280
negative_passages.text: Package system is broken. How to fix it?