There are following Steps Through-which We Can Disable Chat Menu/Option in Gmail and Yahoo in Particular Computer for all Users.
You Can Specify Some Settings in your Computer.
Steps:-
1)Open Hosts file that is located at ( C:\WINDOWS\system32\drivers\etc)
2) Right click on hosts file and open it in notepad
3) Add the following entry on hosts file after last line
You Can Specify Some Settings in your Computer.
Steps:-
1)Open Hosts file that is located at ( C:\WINDOWS\system32\drivers\etc)
2) Right click on hosts file and open it in notepad
3) Add the following entry on hosts file after last line
127.0.0.1 chatenabled.mail.google.com
127.0.0.1 webcs.msg.yahoo.com
127.0.0.1 httpcs.msg.yahoo.com
127.0.0.1 httpcs.msg.yahoo.com
4)Then save the file.
5)You may need to restart your computer.
