Install libplymouth4 by entering the following commands in the terminal:
sudo apt update sudo apt install libplymouth4
Description:
graphical boot animation and logger - shared libraries
Plymouth is an application that runs very early in the boot process (even before the root filesystem is mounted!) that provides a graphical boot animation while the boot process happens in the background. . This package contains the shared libraries.
Homepage: http://www.freedesktop.org/wiki/Software/Plymouth
Version: 0.9.3-1ubuntu7
Section: libs