Install libfreerdp-shadow2-2 by entering the following commands in the terminal:
sudo apt update sudo apt install libfreerdp-shadow2-2
Description:
FreeRDP Remote Desktop Protocol shadow libraries
FreeRDP is a libre client/server implementation of the Remote Desktop Protocol (RDP). . This package contains the shadow libraries.
Homepage: http://www.freerdp.com/
Version: 2.0.0~git20170725.1.1648deb+dfsg1-7
Section: libs