Install Franz for WhatsApp

 $ sudo dpkg -i franz_5.7.0_amd64.deb
[sudo] password for dhwan:
Selecting previously unselected package franz.
(Reading database ... 299141 files and directories currently installed.)
Preparing to unpack franz_5.7.0_amd64.deb ...
Unpacking franz (5.7.0-1852) ...
Setting up franz (5.7.0-1852) ...
Error in file "/usr/share/applications/org.kde.kdeconnect_open.desktop": "*/*" is an invalid MIME type ("*" is an unregistered media type)
Processing triggers for bamfdaemon (0.5.3+18.04.20180207.2-0ubuntu2) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for gnome-menus (3.36.0-1ubuntu1) ...
Processing triggers for desktop-file-utils (0.24-1ubuntu3) ...
Processing triggers for mime-support (3.64ubuntu1) ...
Processing triggers for hicolor-icon-theme (0.17-2) ...