一个DNS的诡异问题

同学电脑出问题了，windows xp sp3，症状是说除了nslookup外，别的程序都不能解析DNS（比如ping, firefox等等）

我也不知道原因，随便搜了两下，看到了如下两篇文章

http://bbs.mcafeefans.com/viewthread.php?tid=1488943
http://bbs.mcafeefans.com/viewthread.php?tid=1482527

于是叫他禁了DNS Client这个服务看看，结果就正常了！

不过他的情况和帖子里的似乎不大一样，好像不是防火墙的问题。
更为诡异的是，他那里跑虚拟机竟然可以正常使用。

总之详细原因未知，但是可以确定DNS Client比较诡异，可能引起奇怪的问题。

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