Error when checking for updates

[rob22941]

I just installed Banshee 1.7, now I get this error when I check for updates. It doesn't look like it's affiliated with Banshee but I can't figure out what it's for. Can anyone help me here?

Could not download all repository indexes:
Failed to fetch http://ppa.launchpad.net/robert-daily/ppa/ubuntu/dists/lucid/main/binary-i386/Packages.gz 404 Not Found

Some index files failed to download, they have been ignored, or old ones used instead.

[davidmohammed]

goto administration - software sources. Untick any ppa that looks like the error message.

[rob22941]

Wouldn't that prevent me from receiving updates for that ppa? Or does it just mean that it has become outdated entirely or replaced?