That distro have reached EOL since a while; and such problem has been resolved long time ago.
** Changed in: flashplugin-nonfree (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/593601 Title: package flashplugin-installer 10.1.53.64ubuntu0.10.04.1 failed to install/upgrade: /var/lib/dpkg/info/flashplugin-installer.postinst: 145: install: not found To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/flashplugin-nonfree/+bug/593601/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs