Win10个别网页无法打开，或无法访问

恢复HOST文件

1、打开HOSTS文件：“c:\windows\system32\drivers\etc“。

2、将hosts文件复制到桌面，用记事本打开。

3、删除记事本的全部内容，将以下内容复制后放入文件然后保存：

 # Copyright (c) 1993-2009 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 # localhost name resolution is handled within DNS itself.# 127.0.0.1       localhost# ::1             localhost

4、将修改后的hosts文件放入c:\windows\system32\drivers\etc替换以前的hosts文件。