Install swfdec-mozilla by entering the following commands in the terminal:
sudo apt update sudo apt install swfdec-mozilla
Description:
dummy package for transition to browser-plugin-gnash
This package is a transitional package for upgrading to browser-plugin-gnash. . It can be safely removed when browser-plugin-gnash is installed.
Homepage: http://www.gnu.org/software/gnash/
Version: 0.8.11~git20160608-1.4
Section: universe/video