Comment 2 for bug 804482

From console I get this message

(Reading database ... 330842 files and directories currently installed.)
Preparing to replace language-pack-gnome-en 1:11.10+20110627 (using .../language-pack-gnome-en_1%3a11.10+20110630_all.deb) ...
Unpacking replacement language-pack-gnome-en ...
Replacing files in old package language-pack-gnome-en-base ...
dpkg: error processing /var/cache/apt/archives/language-pack-gnome-en_1%3a11.10+20110630_all.deb (--unpack):
 trying to overwrite '/usr/share/locale-langpack/en_GB/LC_MESSAGES/indicator-sound.mo', which is also in package language-pack-en 1:11.10+20110630
Processing triggers for software-center ...
INFO:softwarecenter.db.update:no translation information in database needed
Errors were encountered while processing:
 /var/cache/apt/archives/language-pack-gnome-en_1%3a11.10+20110630_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)