Win10 can not save the solution after modifying the hosts file

  
                

The Hosts file is a system file with no extension. Modify it to block website ads, speed up domain name resolution, and more. A user modified the Wins system's hosts file and found that it could not be saved. What is the reason? How to solve?

1. First enter the location of the Wins system's hosts file. We can directly enter C:\\Windows\\System32\\Drivers\\etc and press Enter to open the right-click hosts file. , select the properties as shown below.

2, hosts properties dialog click & ldquo; advanced & rdquo ;, as shown below.

3, click Advanced Security Settings interface hosts the change permissions, as shown below.
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