it's also buggy in Ubuntu Ubuntu 16.04.5 LTS. I solve with remove or modifying name of grub-pc.postinst to grub-pc.postinst.buggy. But sometimes if you update your ubuntu, the grub-pc.postinst is back to /var/lib/dpkg/info, and you're getting same error.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1783562 Title: package grub-pc 2.02-2ubuntu8.2 failed to install/upgrade: installed grub-pc package post-installation script subprocess returned error exit status 10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1783562/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
