Solucionado:
Activar (cambiar de nombre el php.ini) y poner memoria en 256:
; This file is for CGI/FastCGI installations.
; Try copying it to php5.ini, if it doesn't work
; adjust memory limit
memory_limit = 256M
max_execution_time = 18000
; disable magic quotes for php request vars
magic_quotes_gpc = off