it seems maybe incompatible gnupg was installed on the system? gpg: fatal: /etc/apt/trustdb.gpg: invalid trustdb
** Changed in: ubuntu-keyring (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ubuntu-keyring in Ubuntu. https://bugs.launchpad.net/bugs/1060349 Title: package ubuntu-keyring 2011.11.21.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2 Status in ubuntu-keyring package in Ubuntu: Invalid Bug description: I was trying to upgrade some programs . And teminal says that my signing key's weren't upgraded ProblemType: Package DistroRelease: Ubuntu 12.04 Package: ubuntu-keyring 2011.11.21.1 ProcVersionSignature: Ubuntu 3.2.0-31.50-generic-pae 3.2.28 Uname: Linux 3.2.0-31-generic-pae i686 ApportVersion: 2.0.1-0ubuntu12 Architecture: i386 Date: Tue Oct 2 12:06:52 2012 Dependencies: ErrorMessage: subprocess installed post-installation script returned error exit status 2 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423) PackageArchitecture: all SourcePackage: ubuntu-keyring Title: package ubuntu-keyring 2011.11.21.1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-keyring/+bug/1060349/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp