How to modify my HOSTS file
1.Go to My Computer and open Local Disk (C:).
2.Double-click Windows and open System32.
3.Go to drivers and open etc folder.
4.Use Notepad to open your hosts file.
5.For Windows XP, there should be only 127.0.0.1 localhost at the end of the file. For Windows Vista, Windows 7 and Windows 8, there should be 127.0.0.1 localhost and ::1 localhost at the bottom of the file.
6.Should you see any other lines below the ones described above, delete them and save changes.

I can\'t save the changes. What should I do?