Repositories Problem?

[svizi]

I have some problems with my repositories,
After sudo apt-get update i get some errors and if i try for example to do
apt-get isntall gdesklets I get these

Reading package lists... Done
Building dependency tree... Done
W: Couldn't stat source package list http://us.archive.ubuntu.com hoary/universe Packages (/var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_hoary_universe_ binary-i386_Packages) - stat (2 No such file or directory)
W: You may want to run apt-get update to correct these problems
E: Couldn't find package gdesklets


My /etc/apt/sources.list is the follow:

deb cdrom:[Ubuntu 5.04 _Hoary Hedgehog_ - Release i386 (20050407)]/ hoary main restricted


## Uncomment the following two lines to fetch updated software from the network
deb http://us.archive.ubuntu.com/ubuntu hoary main restricted
deb-src http://us.archive.ubuntu.com/ubuntu hoary main restricted

## Uncomment the following two lines to fetch major bug fix updates produced
## after the final release of the distribution.
deb http://us.archive.ubuntu.com/ubuntu hoary-updates main restricted
deb-src http://us.archive.ubuntu.com/ubuntu hoary-updates main restricted

## Uncomment the following two lines to add software from the 'universe'
## repository.
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
deb http://us.archive.ubuntu.com/ubuntu hoary universe
deb-src http://us.archive.ubuntu.com/ubuntu hoary universe

deb http://security.ubuntu.com/ubuntu hoary-security main restricted
deb-src http://security.ubuntu.com/ubuntu hoary-security main restricted

deb http://security.ubuntu.com/ubuntu hoary-security universe
deb-src http://security.ubuntu.com/ubuntu hoary-security universe

deb http://archive.ubuntu.com/ubuntu hoary multiverse
deb-src http://archive.ubuntu.com/ubuntu hoary multiverse

## Backports
#deb http://backports.ubuntuforums.org/ubp hoary-backports main universe multiverse restricted
#deb http://backports.ubuntuforums.org/ubp hoary-extras main universe multiverse restricted

## Backports - Mirrors
# deb http://public.planetmirror.com/pub/ubuntu-backports hoary-backports main universe multiverse restricted
# deb http://public.planetmirror.com/pub/ubuntu-backports hoary-extras main universe multiverse restricted

## Marillat
deb ftp://ftp.nerim.net/debian-marillat testing main

deb http://download.videolan.org/pub/videolan/debian sid main
deb-src http://download.videolan.org/pub/videolan/debian sid main

deb http://ubuntu-backports.mirrormax.net/ hoary-backports main universe multiverse restricted
deb http://ubuntu-backports.mirrormax.net/ hoary-backports-staging main universe multiverse restricted
deb http://ubuntu-backports.mirrormax.net/ hoary-extras main universe multiverse restricted
deb http://ubuntu-backports.mirrormax.net/ hoary-extras-staging main universe multiverse restricted