This is due to an error in your /etc/default/grub file. From 'VarLogDistupgradeApttermlog.gz' we see:
Setting up memtest86+ (4.20-1ubuntu1) ...^M /etc/default/grub: 11: splash: not found^M dpkg: error processing memtest86+ (--configure):^M subprocess installed post-installation script returned error exit status 127^M If you add it as an attachment we can help sort out your configuration error. ** Package changed: ubuntu-meta (Ubuntu) => grub2 (Ubuntu) ** Changed in: grub2 (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/855104 Title: package ubuntu-standard 1.242 failed to install/upgrade: ErrorMessage: dependency problems - leaving unconfigured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/855104/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs