1. Disable extras-devel. Really hesitate before you re-enable it, and disable it quickly if you do. Never update with extras-devel enabled. 2. Close app manager. 3. Type the following commands in a new terminal (one at a time, answering yes to any prompts: Code: sudo gainroot apt-get remove iplayer-dl exit 4. Open up app manager, and check whether Ruby is in your uninstall list. If so, uninstall it. 5. Type the following commands in a new terminal (one at a time, answering yes to any prompts: Code: sudo gainroot apt-get remove ruby apt-get install iplayer-dl exit Then test by typing "iplayer". If you get a help message, you're done!