query: My system update requires installation of untrusted packages
positive_passages.docid: 16186
positive_passages.text: Requires installation of untrusted packages?
negative_passages.docid: 19288
negative_passages.text: Update manager doesn't offer an upgrade to the new release
negative_passages.docid: 76165
negative_passages.text: Unmet dependencies: not configured yet
negative_passages.docid: 131338
negative_passages.text: How do I deal with unknown installation error code -505?
negative_passages.docid: 134143
negative_passages.text: How do I know what packages I need to install?
negative_passages.docid: 47062
negative_passages.text: How is the authenticity of Ubuntu updates verified?
negative_passages.docid: 131858
negative_passages.text: How can I download THEN install packages?
negative_passages.docid: 59119
negative_passages.text: apt-get, unmet dependencies, ... "but it is not going to be installed"
negative_passages.docid: 109539
negative_passages.text: How can I perform an offline upgrade using Ubiquity on the installation disc?
negative_passages.docid: 35931
negative_passages.text: Apt update error - "An error occurred during the signature verification" (Chrome)
negative_passages.docid: 41844
negative_passages.text: Package Install via Market sometimes fails and gives seemingly random error message
negative_passages.docid: 109677
negative_passages.text: How do I to resolve unmet dependencies to uninstall and reinstall package
negative_passages.docid: 56150
negative_passages.text: Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
negative_passages.docid: 6652
negative_passages.text: How to not install recommended and suggested packages?
negative_passages.docid: 2280
negative_passages.text: Package system is broken. How to fix it?
negative_passages.docid: 140893
negative_passages.text: Error when using apt-get update
negative_passages.docid: 76241
negative_passages.text: "no public key available" while upgrading using update-manager