Coldzero, cache.log покажите.
Вот кэш лог :
2011/09/06 11:55:58| Process ID 816
2011/09/06 11:55:58| With 2048 file descriptors available
2011/09/06 11:55:58| With 2048 CRT stdio descriptors available
2011/09/06 11:55:58| Windows sockets initialized
2011/09/06 11:55:58| Using select for the IO loop
2011/09/06 11:55:58| Performing DNS Tests...
FATAL: ipcache_init: DNS name lookup tests failed.
Squid Cache (Version 2.7.STABLE8): Terminated abnormally.
2011/09/06 11:57:07| Starting Squid Cache version 2.7.STABLE8 for i686-pc-winnt...
2011/09/06 11:57:07| Running as Squid Windows System Service on Windows XP
2011/09/06 11:57:07| Service command line is:
2011/09/06 11:57:07| Process ID 304
2011/09/06 11:57:07| With 2048 file descriptors available
2011/09/06 11:57:07| With 2048 CRT stdio descriptors available
2011/09/06 11:57:07| Windows sockets initialized
2011/09/06 11:57:07| Using select for the IO loop
2011/09/06 11:57:07| Performing DNS Tests...
FATAL: ipcache_init: DNS name lookup tests failed.
Squid Cache (Version 2.7.STABLE8): Terminated abnormally.
2011/09/06 11:58:16| Starting Squid Cache version 2.7.STABLE8 for i686-pc-winnt...
2011/09/06 11:58:16| Running as Squid Windows System Service on Windows XP
2011/09/06 11:58:16| Service command line is:
2011/09/06 11:58:16| Process ID 1776
2011/09/06 11:58:16| With 2048 file descriptors available
2011/09/06 11:58:16| With 2048 CRT stdio descriptors available
2011/09/06 11:58:16| Windows sockets initialized
2011/09/06 11:58:16| Using select for the IO loop
2011/09/06 11:58:16| Performing DNS Tests...
FATAL: ipcache_init: DNS name lookup tests failed.
Squid Cache (Version 2.7.STABLE8): Terminated abnormally.