Preparing to replace flashplugin-installer 11.2.202.243ubuntu0.12.04.1 (using .../flashplugin-installer_11.2.202.251ubuntu0.12.04.1_amd64.deb) ...
Unpacking replacement flashplugin-installer ...
Processing triggers for update-notifier-common ...
flashplugin-installer: downloading http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flashplugin_11.2.202.251.orig.tar.gz
Killed
dpkg: error processing update-notifier-common (--unpack):
 subprocess installed post-installation script returned error exit status 137