** Attachment added: Pantallazo-1.png
http://launchpadlibrarian.net/37278388/Pantallazo-1.png
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/37278389/Dependencies.txt
** Attachment added: ExtensionSummary.txt
Thank you for reporting this to Ubuntu. Unfortunately, this usually
indicates a problem with the webserver not returning proper content to
the web browser. There is nothing Firefox can do in this case since the
server is not sending the proper content. Please report this to the
owner of the