Describes the cause and action for error messages.
unable to save hosts file
Windows 10, can't edit hosts file - Super User
Windows 10: can't edit hosts, can't grant ...
Windows 10 hosts file used by another process
Host file is open in another process
windows 7 - Cannot edit or overwrite in explorer ...
/etc/hosts on Windows ・ GitHub
How To Edit Hosts File in Windows 10 Easily? - YouTube
Solving Unable to Edit Host File in Windows 10 - RegInOut