On Wed, 2010-09-15 at 10:38 -0700, Jimmy Johnson wrote:
This has been happening for about a week,
W: Failed to fetch http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity/ubuntu/pool/main/... 404 Not Found
W: Failed to fetch http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity/ubuntu/pool/main/... 404 Not Found
<snip> I do not know if it is related but Trinity has established a dramatically faster mirror.
<snip>
Yes it is. For a while the downstream mirror was out of sync with the local master due to a configuration problem on the mirror end of things. The problem has since been resolved, and a simple "apt-get update" (without the quotes) should resolve the problem you are seeing.
Tim