Errors today (7/3) when doing an apt-update

I get this: <...> Ign http://us.archive.ubuntu.com natty-updates/universe Translation-en Err http://ppa.quickbuild.pearsoncomputing.net natty InRelease Err http://ppa.quickbuild.pearsoncomputing.net natty InRelease Err http://ppa.quickbuild.pearsoncomputing.net natty Release.gpg Unable to connect to ppa.quickbuild.pearsoncomputing.net:http: Err http://ppa.quickbuild.pearsoncomputing.net natty Release.gpg Unable to connect to ppa.quickbuild.pearsoncomputing.net:http: Fetched 2769 B in 2min 0s (23 B/s) Reading package lists... Done W: Failed to fetch http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity-v3.5.13/ubuntu/d… W: Failed to fetch http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity-builddeps-v3.5.1… W: Failed to fetch http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity-v3.5.13/ubuntu/d… Unable to connect to ppa.quickbuild.pearsoncomputing.net:http: W: Failed to fetch http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity-builddeps-v3.5.1… Unable to connect to ppa.quickbuild.pearsoncomputing.net:http: W: Some index files failed to download. They have been ignored, or old ones used instead. <...> Then when I do a: $ wget http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity-builddeps-v3.5.1… --2012-07-03 12:44:42-- http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity-builddeps-v3.5.1… Resolving ppa.quickbuild.pearsoncomputing.net... 108.166.152.51 Connecting to ppa.quickbuild.pearsoncomputing.net|108.166.152.51|:80... The command hangs ... -- Peter Laws / N5UWY National Weather Center / Network Operations Center University of Oklahoma Information Technology plaws(a)ou.edu College of Architecture, Regional and City Planning, MRCP '16 -------------------------------------------------------------------------- Feedback? Contact my director, Matt Younkins, younkinsm(a)ou.edu. Thank you!