Comment 7 for bug 980231

sudo apt-get install ia32-libs-multiarch

Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help resolve the situation:

The following packages have unmet dependencies:
 ia32-libs-multiarch:i386 : Depends: gstreamer0.10-plugins-base:i386 but it is not going to be installed
                            Depends: gstreamer0.10-plugins-good:i386 but it is not going to be installed
                            Depends: gstreamer0.10-fluendo-mp3:i386
                            Depends: libqtwebkit4:i386 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.