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/917155 Title: package flashplugin-installer (not installed) failed to install/upgrade: Status in flashplugin-nonfree package in Ubuntu: Invalid Bug description: i could not update my computer to new soft were error screen pop up ProblemType: Package DistroRelease: Ubuntu 10.04 Package: flashplugin-installer (not installed) ProcVersionSignature: Ubuntu 2.6.24-27.68-generic Uname: Linux 2.6.24-27-generic i686 Architecture: i386 Date: Mon Jan 16 07:36:05 2012 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/917155/+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