Mco09, looks like you've Jaunty, so you need to install from subdownloader PPA.
https://launchpad.net/~subdownloader-developers/+archive/ppa
Mco09, looks like you've Jaunty, so you need to install from subdownloader PPA.
https:/ /launchpad. net/~subdownloa der-developers/ +archive/ ppa