Never mind that about the duplicate. While there are similarities to comments later on, your issue isn't the same as the original issue reported in that bug report.
Looking closer at your term log I see that there are no mention of any backuppc user being created? Have you had backuppc installed before on that system? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/713204 Title: package backuppc 3.1.0-9ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
