Voici le retour de :
~$ sudo apt-get install --reinstall kde-l10n-fr
[sudo] password for didier:
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 1 reinstalled, 0 to remove and 0 not upgraded.
Need to get 44.6 MB of archives.
After this operation, 0 B of additional disk space will be used.
Get:1 http://ppa.launchpad.net/kubuntu-ppa/ppa/ubuntu/ trusty/main kde-l10n-fr all 4:4.13.1-0ubuntu0.1~ubuntu14.04~ppa2 [44.6 MB]
Fetched 44.6 MB in 21s (2108 kB/s)
perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
LANGUAGE = "en",
LC_ALL = (unset),
LC_TIME = "en_FR.UTF-8",
LC_MONETARY = "en_FR.UTF-8",
LC_ADDRESS = "en_FR.UTF-8",
LC_TELEPHONE = "en_FR.UTF-8",
LC_NAME = "en_FR.UTF-8",
LC_MEASUREMENT = "en_FR.UTF-8",
LC_IDENTIFICATION = "en_FR.UTF-8",
LC_NUMERIC = "en_FR.UTF-8",
LC_PAPER = "en_FR.UTF-8",
LANG = "en_FR.UTF-8"
are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
(Reading database ... 209733 files and directories currently installed.)
Preparing to unpack .../kde-l10n-fr_4%3a4.13.1-0ubuntu0.1~ubuntu14.04~ppa2_all.deb ...
Unpacking kde-l10n-fr (4:4.13.1-0ubuntu0.1~ubuntu14.04~ppa2) over (4:4.13.1-0ubuntu0.1~ubuntu14.04~ppa2) ...
Processing triggers for man-db (2.6.7.1-1) ...
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_MESSAGES to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory
Setting up kde-l10n-fr (4:4.13.1-0ubuntu0.1~ubuntu14.04~ppa2) ...
j'ai la furieuse impression que le paquet de localisation ne veux pas s'installer. Dans localisation, j'ai bien le pays à France ???