This should be a general issue after we modified /etc/default/grub manually. Next time when any grub update, the update-manager needs libgtk2-perl to show the menu but it is not installed by default.
This should be a general issue after we modified /etc/default/grub manually.
Next time when any grub update, the update-manager needs libgtk2-perl to show the menu but it is not installed by default.