Не открывается ни один сайт. Пришлось перейти в Оперу, чтобы Вам написать.

The requested URL could not be retrieved
While trying to retrieve the URL: http://forum.mozilla-russia.org/profile.php?
The following error was encountered:
    Unable to determine IP address from host name for forum.mozilla-russia.org
The dnsserver returned:
    Temporary network problem, please retry later
This means that:
The cache was not able to resolve the hostname presented in the URL.
Check if the address is correct.
Your cache administrator is chyangwa@yahoo.com.cn.
Generated Wed, 22 Aug 2007 15:06:51 GMT by squid.liba.com (squid/2.5.STABLE14)
или
The requested URL could not be retrieved
While trying to retrieve the URL: http://www.rambler.ru/
The following error was encountered:
    Unable to determine IP address from host name for www.rambler.ru
The dnsserver returned:
    Temporary network problem, please retry later
This means that:
The cache was not able to resolve the hostname presented in the URL.
Check if the address is correct.
Your cache administrator is chyangwa@yahoo.com.cn.
Generated Wed, 22 Aug 2007 15:13:27 GMT by squid.liba.com (squid/2.5.STABLE14)

НЕ могу даже перевести. Помогите, пожалуйста, что делать. Сначала после очередного обновления не смогла загрузить Thunderbird, пришлось перейти на The Bat, теперь вот Firefox