You have a large number of packages installed from a PPA, likely one of which is confusing the updater.
gnome-accessibility-themes 3.7.91+git20130305.d9d75ae7-0ubuntu1~12.10~ricotz0 0 gnome-desktop3-data 3.7.90-0ubuntu1~12.10~ricotz0 0 gnome-icon-theme 3.7.3+git20121224.2af6b37d-0ubuntu1~12.10~ricotz0 0 gnome-icon-theme-full 3.7.3+git20121224.2af6b37d-0ubuntu1~12.10~ricotz0 1 gnome-icon-theme-symbolic 3.7.4.1+git20130201.0beb4ffd-0ubuntu1~12.10~ricotz0 0 gnome-shell 3.8.0.1+git20130410.86c92c37-0ubuntu1~12.10~ricotz0 0 gnome-shell-common 3.8.0.1+git20130410.86c92c37-0ubuntu1~12.10~ricotz0 1 gnome-themes-standard 3.7.91+git20130305.d9d75ae7-0ubuntu1~12.10~ricotz0 0 gnome-themes-standard-data 3.7.91+git20130305.d9d75ae7-0ubuntu1~12.10~ricotz0 1 gnome-tweak-tool 3.8.0+git20130410.577d7991-0ubuntu1~12.10~ricotz0 0 gsettings-desktop-schemas 3.7.5+git20130214.ad1bae87-0ubuntu1~12.10~ricotz0 0 gstreamer1.0-clutter 2.1.0~git20130131.dc2d3c0a-0ubuntu1~12.10~ricotz0 1 libclutter-1.0-0 1.13.9+git20130315.305616af-0ubuntu1~12.10~ricotz0 1 libclutter-1.0-common 1.13.9+git20130315.305616af-0ubuntu1~12.10~ricotz0 0 libclutter-gst-1.0-0 1.6.1~git20120925.c7adcda3-0ubuntu1~12.10~ricotz0 0 libcogl-pango0 1.10.5+git20120928.8fc936d2-0ubuntu1~12.10~ricotz0 0 libcogl9 1.10.5+git20120928.8fc936d2-0ubuntu1~12.10~ricotz0 0 libfontconfig1 2.10.92-0ubuntu1~12.10~ricotz1 0 libfontconfig1-dev 2.10.92-0ubuntu1~12.10~ricotz1 1 libfontconfig1:i386 2.10.92-0ubuntu1~12.10~ricotz1 1 libgail-3-0 3.8.1+git20130422.0ce7854a-0ubuntu1~12.10~ricotz0 0 libgjs0c 1.36.0+js17-0ubuntu1~12.10~ricotz0 1 libgnome-desktop-3-7 3.7.90-0ubuntu1~12.10~ricotz0 1 libgtk-3-0 3.8.1+git20130422.0ce7854a-0ubuntu1~12.10~ricotz0 0 libgtk-3-bin 3.8.1+git20130422.0ce7854a-0ubuntu1~12.10~ricotz0 0 libgtk-3-common 3.8.1+git20130422.0ce7854a-0ubuntu1~12.10~ricotz0 0 The PPA may not currently be enabled, in which case you will need to enable it and then revert to the official version of the Ubuntu packages using the tool ppa-purge. ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1254346 Title: Cannot Upgrade to 13.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1254346/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs