throw( new PluginException( "Installation aborted, plugin-update plugin not operational" ));
}
PluginUpdatePlugin pup = (PluginUpdatePlugin)pup_pi.getPlugin();
UpdateManagerImpl uman = (UpdateManagerImpl)manager.getDefaultPluginInterface().getUpdateManager();
UpdateCheckInstanceImpl inst =
uman.createEmptyUpdateCheckInstance(
UpdateCheckInstance.UCI_INSTALL,
"update.instance.install",
low_noise );
if ( properties != null ){