I'm getting this error when am trying to update using command
sudo apt-get update && sudo apt-get upgrade
:
Fetched 1,338 kB in 38s (34.9 kB/s)
W: http://ppa.launchpad.net/ffmulticonverter/stable/ubuntu/dists/trusty/main/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/ffmulticonverter/stable/ubuntu/dists/trusty/main/binary-i386/Packages 404 Not Found