Received the same error when upgrading from Linux Mint 18.2 to 18.3. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1741046
Title: package grub-pc 2.02~beta2-36ubuntu3.15 failed to install/upgrade: subprocess installed post-installation script returned error exit status 20 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1741046/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
