what's problem with following error?

grobe

Debian3:~# apt-get install gaim
Reading Package Lists... Done
Building Dependency Tree... Done
The following extra packages will be installed:
  gaim-data libao2 libgtkspell0
Suggested packages:
  evolution-data-server libzephyr3 tcl8.4 tk8.4
The following NEW packages will be installed:
  gaim gaim-data libao2 libgtkspell0
0 upgraded, 4 newly installed, 0 to remove and 21 not upgraded.
Need to get 3759kB of archives.
After unpacking 11.2MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://debian.cn99.com sarge/updates/main gaim-data 1:1.2.1-1.4 [2839kB]
Get:2 http://debian.cn99.com sarge/main libao2 0.8.6-1 [23.2kB]
Get:3 http://debian.cn99.com sarge/main libgtkspell0 2.0.10-1 [18.3kB]
Get:4 http://debian.cn99.com sarge/updates/main gaim 1:1.2.1-1.4 [879kB]
Fetched 3759kB in 31s (121kB/s)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/main Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_main_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/contrib Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_contrib_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/non-free Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_non-free_binary-i386_Packages) - stat (2 No such file or directory)
Selecting previously deselected package gaim-data.
(Reading database ... 75852 files and directories currently installed.)
Unpacking gaim-data (from .../gaim-data_1%3a1.2.1-1.4_all.deb) ...
Selecting previously deselected package libao2.
Unpacking libao2 (from .../libao2_0.8.6-1_i386.deb) ...
Selecting previously deselected package libgtkspell0.
Unpacking libgtkspell0 (from .../libgtkspell0_2.0.10-1_i386.deb) ...
Selecting previously deselected package gaim.
Unpacking gaim (from .../gaim_1%3a1.2.1-1.4_i386.deb) ...
Setting up gaim-data (1.2.1-1.4) ...
Setting up libao2 (0.8.6-1) ...

Setting up libgtkspell0 (2.0.10-1) ...

Setting up gaim (1.2.1-1.4) ...

W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/main Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_main_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/contrib Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_contrib_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/non-free Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_non-free_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/main Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_main_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/contrib Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_contrib_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/non-free Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_non-free_binary-i386_Packages) - stat (2 No such file or directory)
W: You may want to run apt-get update to correct these problems
Debian3:~# apt-get update
Hit http://debian.cn99.com sarge/main Packages
Hit http://debian.cn99.com sarge/main Release
Hit http://debian.cn99.com sarge/non-free Packages
Hit http://debian.cn99.com sarge/non-free Release
Hit http://debian.cn99.com sarge/contrib Packages
Hit http://debian.cn99.com sarge/contrib Release
Hit http://debian.cn99.com sarge/non-US/main Packages
Hit http://debian.cn99.com sarge/non-US/main Release
Hit http://debian.cn99.com sarge/non-US/contrib Packages
Hit http://debian.cn99.com sarge/non-US/contrib Release
Hit http://debian.cn99.com sarge/non-US/non-free Packages
Hit http://debian.cn99.com sarge/non-US/non-free Release
Hit http://debian.cn99.com testing-proposed-updates/main Packages
Get:1 http://debian.cn99.com testing-proposed-updates/main Release [98B]
Hit http://debian.cn99.com testing-proposed-updates/contrib Packages
Get:2 http://debian.cn99.com testing-proposed-updates/contrib Release [101B]
Hit http://debian.cn99.com testing-proposed-updates/non-free Packages
Get:3 http://debian.cn99.com testing-proposed-updates/non-free Release [102B]
Err http://debian.cn99.com testing-proposed-updates/non-US/main Packages
  404 Not Found
Ign http://debian.cn99.com testing-proposed-updates/non-US/main Release
Err http://debian.cn99.com testing-proposed-updates/non-US/contrib Packages
  404 Not Found
Ign http://debian.cn99.com testing-proposed-updates/non-US/contrib Release
Err http://debian.cn99.com testing-proposed-updates/non-US/non-free Packages
  404 Not Found
Ign http://debian.cn99.com testing-proposed-updates/non-US/non-free Release
Get:4 http://debian.cn99.com sarge/updates/main Packages [110kB]
Get:5 http://debian.cn99.com sarge/updates/main Release [110B]
Hit http://debian.cn99.com sarge/updates/contrib Packages
Get:6 http://debian.cn99.com sarge/updates/contrib Release [113B]
Hit http://debian.cn99.com sarge/updates/non-free Packages
Get:7 http://debian.cn99.com sarge/updates/non-free Release [114B]
Hit http://debian.cn99.com sarge/main Sources
Hit http://debian.cn99.com sarge/main Release
Hit http://debian.cn99.com sarge/non-free Sources
Hit http://debian.cn99.com sarge/non-free Release
Hit http://debian.cn99.com sarge/contrib Sources
Hit http://debian.cn99.com sarge/contrib Release
Hit http://debian.cn99.com sarge/non-US/main Sources
Hit http://debian.cn99.com sarge/non-US/main Release
Hit http://debian.cn99.com sarge/non-US/contrib Sources
Hit http://debian.cn99.com sarge/non-US/contrib Release
Hit http://debian.cn99.com sarge/non-US/non-free Sources
Hit http://debian.cn99.com sarge/non-US/non-free Release
Hit http://debian.cn99.com testing-proposed-updates/main Sources
Get:8 http://debian.cn99.com testing-proposed-updates/main Release [100B]
Hit http://debian.cn99.com testing-proposed-updates/contrib Sources
Get:9 http://debian.cn99.com testing-proposed-updates/contrib Release [103B]
Hit http://debian.cn99.com testing-proposed-updates/non-free Sources
Get:10 http://debian.cn99.com testing-proposed-updates/non-free Release [104B]
Err http://debian.cn99.com testing-proposed-updates/non-US/main Sources
  404 Not Found
Ign http://debian.cn99.com testing-proposed-updates/non-US/main Release
Err http://debian.cn99.com testing-proposed-updates/non-US/contrib Sources
  404 Not Found
Ign http://debian.cn99.com testing-proposed-updates/non-US/contrib Release
Err http://debian.cn99.com testing-proposed-updates/non-US/non-free Sources
  404 Not Found
Ign http://debian.cn99.com testing-proposed-updates/non-US/non-free Release
Fetched 111kB in 1s (75.0kB/s)
Failed to fetch http://debian.cn99.com/debian-no ... ry-i386/Packages.gz  404 Not Found
Failed to fetch http://debian.cn99.com/debian-no ... ry-i386/Packages.gz  404 Not Found
Failed to fetch http://debian.cn99.com/debian-no ... ry-i386/Packages.gz  404 Not Found
Failed to fetch http://debian.cn99.com/debian-no ... n/source/Sources.gz  404 Not Found
Failed to fetch http://debian.cn99.com/debian-no ... b/source/Sources.gz  404 Not Found
Failed to fetch http://debian.cn99.com/debian-no ... e/source/Sources.gz  404 Not Found
Reading Package Lists... Done
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/main Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_main_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/contrib Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_contrib_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/non-free Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_non-free_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/main Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_main_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/contrib Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_contrib_binary-i386_Packages) - stat (2 No such file or directory)
W: Couldn't stat source package list http://debian.cn99.com testing-proposed-updates/non-US/non-free Packages (/var/lib/apt/lists/debian.cn99.com_debian-non-US_dists_testing-proposed-updates_non-US_non-free_binary-i386_Packages) - stat (2 No such file or directory)
W: You may want to run apt-get update to correct these problems
E: Some index files failed to download, they have been ignored, or old ones used instead.

carlos

Please comment out or delete those "non-US" lines from your sources.list. After sarge released, Debian testing and sid didn't contain non-US repository anymore.