package overlay-scrollbar-gtk3 0.2.16+r357-0ubuntu1 failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/gtk-3.0/modules', which is also in package libcanberra-gtk3-module:amd64 0.29-0ubuntu2

Can't update system at all. Even when running "apt-get -f upgrade" I get this error:

Errors were encountered while processing:
 /var/cache/apt/archives/libgtk-3-0_3.6.0-0ubuntu3.2_amd64.deb
 /var/cache/apt/archives/overlay-scrollbar-gtk3_0.2.16+r357-0ubuntu1.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: overlay-scrollbar-gtk3 0.2.16+r357-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
Uname: Linux 3.5.0-18-generic x86_64
ApportVersion: 2.6.1-0ubuntu9
Architecture: amd64
Date: Tue Dec 25 11:43:27 2012
DuplicateSignature:
 Unpacking replacement libgtk-3-0:amd64 ...
 dpkg: error processing /var/cache/apt/archives/libgtk-3-0_3.6.0-0ubuntu3.2_amd64.deb (--unpack):
  trying to overwrite '/usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/immodules', which is also in package ibus-gtk3:amd64 1.4.1-7ubuntu1
ErrorMessage: trying to overwrite '/usr/lib/x86_64-linux-gnu/gtk-3.0/modules', which is also in package libcanberra-gtk3-module:amd64 0.29-0ubuntu2
InstallationDate: Installed on 2012-10-22 (71 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
SourcePackage: overlay-scrollbar
Title: package overlay-scrollbar-gtk3 0.2.16+r357-0ubuntu1 failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/gtk-3.0/modules', which is also in package libcanberra-gtk3-module:amd64 0.29-0ubuntu2
UpgradeStatus: No upgrade log present (probably fresh install)