HOW TO BLOCK WEBSITE WITHOUT ANY SOFTWARE
The trick simple and you won't need any third party software to block website.
You'll need only simple text editor like a notepad to execute this trick.



1] Browse to C:WINDOWS\system32\drivers\etc .

2] Find the file named "HOSTS" .

3] Open it in notepad.

4] Find the line "127.0.0.1 localhost" .

5] Add 127.0.0.2 www.orkut.com , and save the file.

6]That site will no longer be accessable & that means you are done .

For
every site after that you want to add, just add "1" to the last number
in the internal ip (127.0.0.2) and then the add like before.

IE:

127.0.0.3 www.yahoo.com

127.0.0.4 www.msn.com

127.0.0.5 www.google.com

This
also works with banner sites, just find the host name of the server
with the banners and do the same thing with that address