LXDE 'upgrades' in Knoppix 6.2.1 Using Synaptic

[franciscoklf]

Hi: I have this problem, when ii tray to update the packets from internet i was have this message:
E: Dynamic MMap ran out of room. Please increase the size of APT::Cache-Limit. Current value: 25165824. (man 5 apt.conf)
E: Ocurrió un error mientras se procesaba icedove-gnome-support (NewVersion1)
E: Problem with MergeList /var/lib/dpkg/status
E: Las listas de paquetes o el archivo de estado no se pueden analizar sintácticamente o abrir.

I have knoppix 6.2 installed in the HD from a cd , and i install this in spanish.
Sorry if i put same batdly but english is no my espertice. I fron Argentina.
Thank you