Feisty: Kubuntu cannot run update due to failure of a download (linux kernel)

[lefty.crupps]

From Adept my upgrade fails unless I deselect the Linux kernel package. Here is the command line failure:

jthomas@jthomas-desktop:~$ sudo apt-get upgrade
Password:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
  linux-image-2.6.20-14-generic
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 23.8MB of archives.
After unpacking 4096B of additional disk space will be used.
Do you want to continue [Y/n]? y
Err http://us.archive.ubuntu.com feisty/main linux-image-2.6.20-14-generic 2.6.20-14.23
  403 Forbidden [IP: 91.189.89.6 80]
Failed to fetch http://us.archive.ubuntu.com/ubuntu/pool/main/l/linux-source-2.6.20/linux-image-2.6.20-14-generic_2.6.20-14.23_i386.deb 403 Forbidden [IP: 91.189.89.6 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

jthomas@jthomas-desktop:~$

[LilaQ (lilaq2k)]

I can 100% confirm this bug.

[glandux (glandux)]

Precaution due to bug #106063