DISPLAY MESSAGE ON STARTUP.

DISPLAY MESSAGE ON STARTUP.
Start-->run--> regedit
 
Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows
 
NT\CurrentVersion\Winlogon
 
Modify the key legalnoticecaption with what you want to name the window.
 
Modify the key legalnoticetext with what you want the window to say. Restart