MarsSeed [1] filed a deletion request for mediadownloader [2]: Broken, defunct Qt4 based YouTube viewer/downloader package from 2017; upstream's last release was in 2013. [a]
Better to delete. There are maintained and working alternatives. [a]: https://sourceforge.net/projects/googleimagedown/files/project/1.5.2/ [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/mediadownloader/
