dpkg: error: duplicate file trigger interest for filename `/usr/lib/gtk-2.0/2.10.0/immodules' and package `libgtk2.0-0:amd64'

[bsfmig]

Sorry for forwarding it to several lists but please understand my
hurry and desperate as a normal non-developer user.

System: Ubuntu 12.10 amd64
This error keeps every package from installing, upgrading and
removing, that is, it results in a completely broken state of dpkg.
Please give a precise meaning and a working solution, thanks!

It might be related to vlc but now even vlc cannot be removed.
Detailed output come as follows (in Chinese):
(正在读取数据库 ... 系统当前共安装有 199478 个文件和目录。)
正预备替换 libsamplerate0:amd64 0.1.8-4 (使用 .../libsamplerate0_0.1.8-5_amd64.deb) ...
正在解压缩将用于更替的包文件 libsamplerate0:amd64 ...
正预备替换 vlc-nox 2.0.1-4 (使用 .../vlc-nox_2.0.1-4build1_amd64.deb) ...
正在解压缩将用于更替的包文件 vlc-nox ...
正在处理用于 man-db 的触发器...
dpkg: error: 文件 /usr/lib/gtk-2.0/2.10.0/immodules 和软件包
libgtk2.0-0:amd64 有重复的文件触发关注
E: Sub-process /usr/bin/dpkg returned an error code (2)
软件包安装失败。正在试图恢复：
dpkg: error: 文件 /usr/lib/gtk-2.0/2.10.0/immodules 和软件包
libgtk2.0-0:amd64 有重复的文件触发关注
按回车继续。