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 Desktop Packages, which is subscribed to flashplugin-nonfree in Ubuntu. https://bugs.launchpad.net/bugs/647552 Title: package flashplugin-installer (not installed) failed to install/upgrade: with upgrade from 8.04 LTS LTSP Server to 10.04 LTS Status in flashplugin-nonfree package in Ubuntu: Invalid Bug description: Binary package hint: flashplugin-nonfree I was upgrading an Ubuntu 8.04LTS LTSP Server to 10.04LTS via Update Manager > Upgrade. It reported "conflicting packages - not installing flashplugin-installer_10.1.85.3ubuntu0.10.04.1_amd64.deb". ProblemType: Package DistroRelease: Ubuntu 10.04 Package: flashplugin-installer (not installed) ProcVersionSignature: Ubuntu 2.6.24-28.79-generic Uname: Linux 2.6.24-28-generic x86_64 Architecture: amd64 Date: Sat Sep 25 15:56:29 2010 ErrorMessage: ErrorMessage: no package named `flashplugin-installer' is installed, cannot configure SourcePackage: flashplugin-nonfree Title: package flashplugin-installer (not installed) failed to install/upgrade: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/flashplugin-nonfree/+bug/647552/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp