Hi
when i add a ppa any ppa
after doing update
show in the end this error and this happen with every PPA
W: Failed to fetch http://ppa.launchpad.net/noobslab/icons ... ce/Sources 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/noobslab/icons ... 4/Packages 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/noobslab/icons ... 6/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
i use linux mint 13 mate 1.4




