Editing A File

[pc_game_lover2004]

Guys i want to edit the following file :-

C:\Windows\System32\drivers\etc\host

I'm using windows vista and logged in as admin.
But whenever i open the this file in notepad and try to do any changes then clicking save it shows the following error



What can i do to successfully make my desired changes to the file.
please help me out...

[Rishi87]

I hope the file you are editing is not Read-only. If it's Read-only then take an ownership of file and then try.

[pc_game_lover2004]

Thanks bro didn't knew about security measures took over full control and edited the file thanks again