Page fault with physical i/o: 373

["Rogelio E. Castillo Haro" <rcastill@glo.org.mx>]

Hi,
I just install squid via apt-get but when I run /etc/init.d/squid start
the navegator it says that the server refused the connection.
If I run squid manually it says page fault with physical
i/0:373...what's my problem?

Thanks.

Rogelio