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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
W: Failed to fetch http://ppa.quickbuild.pearsoncomputing.net/trinity/trinity/ubuntu/pool/main/... 404 Not Found
Thanks for a solution to the problem.