Create Your Own Logon Message

1 Click start 
click run
type regedit, 
then click OK!


2 In The registry editor, drill down to the following key:
hklm\software\Microsoft\Windows NT\Current version\Winlogon.


3 Right click LegalNoticeCaption, 
click modify, 
Type: THIS IS NEXT TRICK,and then click ok!


4 Right click legalNoticeText, 
click modify, and then Close your message!


5 Restart Your Computer.


6 The message will appear every time you log on!!!