Oh. Well, now I see what's going on. Apt-file says:
Ignoring source without Contents File: http://ppa.launchpad.net/kubuntu-ppa/backports/ubuntu/dists/precise/Contents-amd64.gz
...I missed that!
Oh. Well, now I see what's going on. Apt-file says:
Ignoring source without Contents File: ppa.launchpad. net/kubuntu- ppa/backports/ ubuntu/ dists/precise/ Contents- amd64.gz
http://
...I missed that!