Tag: Troubleshooting

Fixing GPG and ‘Duplicate Sources’ Errors

Here's a confession: I haven't installed any updates on my Ubuntu for a few months. The Software Updater still notified me of updated softwares, but I couldn't install them. Whenever I chose to install the updates, or even download anything from the Software Center, it would tell me that it 'requires installation of untrusted packages'. … Continue reading Fixing GPG and ‘Duplicate Sources’ Errors