APT: Unicode Error in changelog

i've already had these errors since karmic a5 & it always happen the same way.

i prefer to read comments on updates before to apply them, so i use SUM. After that control, i upgrade those packages.
Curiously the icon in title bar does not disappear and stay there reminding you that there are updates avaiiable regardless they have been upgraded previously. Rechecking this icon button, it tell you that the system is updated, closing that dialog box, icon still stay in title bar.

You are using Kubuntu?

Could you please run the command locale in a Konsole/Terminal and copy&paste the output here?

Which package description do you see at last?

What is SUM?

I fixed this upstream. Will be uploaded to Lucid soon.

karmic final affected too

Ubuntu 9.10
Linux 2.6.31-19-generic #56-Ubuntu SMP Thu Jan 28 01:26:53 UTC 2010 i686 GNU/Linux

Error Type: <type 'exceptions.UnicodeDecodeError'>
Error Value: 'ascii' codec can't decode byte 0xd0 in position 0: ordinal not in range(128)
  File : /usr/share/PackageKit/helpers/apt/aptBackend.py, line 1952, in <module>
    main()
  File : /usr/share/PackageKit/helpers/apt/aptBackend.py, line 1949, in main
    run(args, options.single)
  File : /usr/share/PackageKit/helpers/apt/aptBackend.py, line 1911, in run
    backend.dispatcher(args)
  File : /usr/lib/python2.6/dist-packages/packagekit/backend.py, line 647, in dispatcher
    self.dispatch_command(args[0], args[1:])
  File : /usr/lib/python2.6/dist-packages/packagekit/backend.py, line 537, in dispatch_command
    self.get_update_detail(package_ids)
  File : /usr/share/PackageKit/helpers/apt/aptBackend.py, line 757, in get_update_detail
    updated)
  File : /usr/lib/python2.6/dist-packages/packagekit/backend.py, line 242, in update_detail
    changelog, state, issued, updated))

I've uploaded packagekit 0.5.7-0ubuntu3 to ppa:jr please run

sudo apt-add-repository ppa:jr
sudo apt-get update
sudo apt-get install packagekit-backend-apt

and check if this bug is fixed or not

dont have these errors logged anymore

dont know if its related or not but now i've this error each time i run :

oem@dub:~$ sudo apt-get install -f
[sudo] password for oem:
Lecture des listes de paquets... Fait
Construction de l'arbre des dépendances
Lecture des informations d'état... Fait
0 mis à jour, 0 nouvellement installés, 0 à enlever et 0 non mis à jour.
N: Ignoring file 'ubuntu-tweak-stable.list.save' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension

i've already deleted the previous " .list.save" files generated, but they come back each time ( no sad effect known anyway) for every third party into sources.list

post # 11 is fixed now but still got some errors related to python2.6, wonder why we dont use 2.7 now.