[Bug 1809533] [NEW] unable to install grub in /dev/sda, fatal error showing

Public bug reported: I am having trouble in installing ubuntu 18.04 lts 64 bit installation in Acer One 14 Z422 laptop. At the stage of grub installation the problem is coming in installation. error message showing unable to install G`rub in /dev/sda. This is fatal error. I have tried everything

[Bug 1809523] [NEW] installation failed due to fatal error shown during installation

Public bug reported: <<< LANG=en_IN LC_NUMERIC=C.UTF-8 SourcePackage: grub-installer UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub-installer (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic ubiquity-18.04.14.6 ubuntu

[Bug 840412] Re: package shorewall 4.4.21-1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1

*** This bug is a duplicate of bug 1180291 *** https://bugs.launchpad.net/bugs/1180291 ** This bug has been marked a duplicate of bug 1180291 shorewall fails to uninstall -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 665786] Re: Does not ship upstream's 'helper' file

This is not relevant in recent versions anymore. /usr/share/shorewall/helpers file is included nowadays. ** Changed in: shorewall (Ubuntu) Status: New = Opinion -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.