Desabilitar informe de erro no ubuntu 12.04

No terminal digite:
Comando: sudo gedit /etc/default/apport

Vai aparecer algo com este aqui.
# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=1

Deixe assim
# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=0

Salve e feche.

Video demonstrativo.
nodes2012