A quick note that this bug does have a work around as mentioned in duplicate bug #351277, basically you need to remove and then install the plugin rather than using a reinstall. Should install properly then.
-- [MASTER] flashplugin-nonfree installation does not work on jaunty https://bugs.launchpad.net/bugs/351355 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs