Error on Ubuntu server? [Canonical not handling load?]

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http://askubuntu.com – With update manager I got: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/libu/libunity/gir1.2-unity-5.... 404 Not Found [IP: 80] and then later: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/libu/libunity/libunity9_5.12.... 404 Not Found [IP: 80] I think it said to check your internet connection. Is it really a problem on my end? I think it probably is at Canonical's. Either they are not handling the load or some (these IP's) of the servers are not set up correctly. I'm not sure where to report (HowTos)