*** This bug is a duplicate of bug 1764848 *** https://bugs.launchpad.net/bugs/1764848
I tried to reboot: shemgp shemgp-x230t ~ ERROR $ sudo dpkg --configure -a [sudo] password for shemgp: Sorry, try again. [sudo] password for shemgp: Setting up ca-certificates (20180409) ... Updating certificates in /etc/ssl/certs... rehash: skipping duplicate certificate in UbuntuOne-Go_Daddy_Class_2_CA.pem rehash: skipping duplicate certificate in shemgp-nas.crt dpkg: error processing package ca-certificates (--configure): installed ca-certificates package post-installation script subprocess returned error exit status 2 Errors were encountered while processing: ca-certificates shemgp shemgp-x230t ~ ERROR $ sudo dpkg -i /var/cache/apt/archives/ca-certificates_20170717~16.04.1_all.deb dpkg: warning: downgrading ca-certificates from 20180409 to 20170717~16.04.1 (Reading database ... 763802 files and directories currently installed.) Preparing to unpack .../ca-certificates_20170717~16.04.1_all.deb ... Unpacking ca-certificates (20170717~16.04.1) over (20180409) ... Setting up ca-certificates (20170717~16.04.1) ... Processing triggers for man-db (2.8.3-2) ... Processing triggers for ca-certificates (20170717~16.04.1) ... Updating certificates in /etc/ssl/certs... WARNING: Skipping duplicate certificate UbuntuOne-Go_Daddy_Class_2_CA.pem WARNING: Skipping duplicate certificate UbuntuOne-Go_Daddy_Class_2_CA.pem WARNING: Skipping duplicate certificate shemgp-nas.pem WARNING: Skipping duplicate certificate shemgp-nas.pem 2 added, 0 removed; done. Running hooks in /etc/ca-certificates/update.d... Replacing debian:redmine.pem Replacing debian:redmine.pem done. Updating Mono key store Linux Cert Store Sync - version 4.6.2.0 Synchronize local certs with certs from local Linux trust store. Copyright 2002, 2003 Motus Technologies. Copyright 2004-2008 Novell. BSD licensed. I already trust 130, your new list has 130 Import process completed. Done done. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1767113 Title: package ca-certificates 20180409 failed to install/upgrade: installed ca-certificates package post-installation script subprocess returned error exit status 2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ca-certificates/+bug/1767113/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs