hosts文件打不开总提示拒绝访问，怎么解决？

这都是Vista安全机制UAC造成的,同时在一定作用下防止病毒篡改hosts文件。

你可以在Vista系统中使用以下方法解决

1.在“开始”菜单

->“搜索”中输入notepad

，然后使用Ctrl+Shift+Enter快捷键即可调用具有系统管理员权限的“记事本”编辑器。

2.在“开始”菜单中单击“所有程序”，单击“附件”，右键单击“记事本”，然后单击“以管理员身份运行”。

hosts文件的路径是

C:\Windows\System32\drivers\etc\

hosts

(C:\

为安装Windows的分区)

假如是WIN系统,可试试:

1. 先找出HOSTS位置 C:\WINDOWS\system32\drivers\etc

2. 用记事本打开HOSTS然后复制一下文字覆盖裏面的文字:

# Copyright (c) 1993-1999 Microsoft Corp.

#

# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.

#

# This file contains the mappings of IP addresses to host names. Each

# entry should be kept on an individual line. The IP address should

# be placed in the first column followed by the corresponding host name.

# The IP address and the host name should be separated by at least one

# space.

#

# Additionally, comments (such as these) may be inserted on individual

# lines or following the machine name denoted by a '#' symbol.

#

# For example:

#

# 102.54.94.97 rhino.acme.com # source server

# 38.25.63.10 x.acme.com # x client host

127.0.0.1 localhost

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