Ubuntu update manager fails. help!!!!

[Ric Moore]

On Fri, 2010-07-23 at 10:27 -0700, Kevin O'Gorman wrote:
> When I try the update manager, it tells me I have 102 packages to
> upgrade, and then presents a popup window that says
>     Failed to fetch
> http://us.archive.ubuntu.com/ubuntu/pool/main/libu/libusb/libusb-0.1-4_0.1.12-14ubuntu0.1_i386.deb
> 404  Not Found [IP: 91.189.88.45 80]
> 
> And it goes no farther.
> 
> Something is borked in my configuration, I guess, but I'm have no idea
> where to look for it.

Kevin, either name-resolution is not working, which might require
editing /etc/resolv.conf or your Windows NT based ISP has gone down for
routine file maintenance and will be back up shortly. <chuckles> Ric