To pop a banner which can contain any message
you want to display just before a user is going to log on.
Go to the key :- HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WinLogon
Now create a new string Value in the right pane named 'LegalNoticeCaption'
and enter the value that you want to see in the MenuBar.
yet another new string value and name it:
'LegalNoticeText'. Modify it and insert the message you want to display
each time Windows boots.
This can be effectively used to display the company's private policy
each time the user logs on to his NT box.
It's '.reg' file would be: