Same problem here via the update manager. I retried from the command line and apt-get now wants to uninstall thunderbird and enigmail!
sudo apt-get install flashplugin-nonfree [sudo] password for ajft: Reading package lists... Done Building dependency tree Reading state information... Done flashplugin-nonfree is already the newest version. The following packages were automatically installed and are no longer required: thunderbird enigmail Use 'apt-get autoremove' to remove them. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 1 not fully installed or removed. Need to get 0B of archives. After unpacking 0B of additional disk space will be used. Setting up flashplugin-nonfree (9.0.48.0.0ubuntu5) ... /var/lib/dpkg/info/flashplugin-nonfree.postinst: line 107: syntax error near unexpected token `do' dpkg: error processing flashplugin-nonfree (--configure): subprocess post-installation script returned error exit status 2 Errors were encountered while processing: flashplugin-nonfree E: Sub-process /usr/bin/dpkg returned an error code (1) -- package flashplugin-nonfree 9.0.48.0.0ubuntu5 failed to install/upgrade: subprocess post-installation script returned error exit status 2 https://bugs.launchpad.net/bugs/131865 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs