Bug#774163: Unable to upgrade or install ttf-root-installer (dpkg: error processing package) because of invalid certificate on root.cern.ch

Package: ttf-root-installer Version: 5.34.19+dfsg-1.1 Severity: grave Hi, when upgrading my system ttf-root-installer broke the upgrade because its configure script failed. I tried to purge it completely and install it again, unfortunately it broke again: $ sudo apt-get install

Bug#774163: Unable to upgrade or install ttf-root-installer (dpkg: error processing package) because of invalid certificate on root.cern.ch

Seems on the past there were also problems with this file served via ftp. https://bugs.launchpad.net/ubuntu/+source/root-system/+bug/349860 signature.asc Description: OpenPGP digital signature