Usually this happens when apt has not downloaded the package indexes yet, i. e. through "apt-get update", usually in the daily cronjob. But if it happens after a full installation, there's definitively something wrong there.
Can you please give me the output of python -c 'import apt; print apt.Cache()["firefox"].candidate.origins' ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/942180 Title: apport detect every package as not genuine To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-defaults-it/+bug/942180/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs