Setting up flashplugin-installer (11.2.202.233ubuntu0.11.10.3) ...
Downloading...
--2012-07-09 18:56:48--  http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flashplugin_11.2.202.233.orig.tar.gz
Resolviendo archive.canonical.com (archive.canonical.com)... 91.189.92.150, 91.189.92.191
Conectando con archive.canonical.com (archive.canonical.com)[91.189.92.150]:80... conectado.
Petición HTTP enviada, esperando respuesta... 404 Not Found
2012-07-09 18:56:49 ERROR 404: Not Found.

download failed
The Flash plugin is NOT installed.
dpkg: error processing flashplugin-installer (--configure):
 subprocess installed post-installation script returned error exit status 1