Affichage page web

Bonjour,
Depuis quque jours je ne peux pas afficher Google. Et mon affichage est instable.
Une aide serait vraiment la bienvenue. Merci d'avance.

Voici le message:
ERROR
The requested URL could not be retrieved
While trying to retrieve the URL: https://www.google.com/?gws_rd=ssl
The following error was encountered:
* Zero Sized Reply
Squid did not receive any data for this request.
Your cache administrator is webmaster.
Generated Tue, 16 Sep 2008 05:40:08 GMT by localhost (squid/2.6.STABLE18)