This is very simple and cool trick !!!!!!!!!! when you start you computer it will say "Welcome Back & your name"
and can use your own message..


Copy the below code in Notpad

Dim speaks, speech
speaks="Welcome Back, yourname"
Set speech=CreateObject("sapi.spvoice")
speech.Speak speaks

2. Put your name at the place of your name.
3. Save this with the name of welcome.vbs
4.  Copy File welcome.vbs and paste it in bellow address.

For Windows-7 user.

C:\Users\Username\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup

For Windows-Xp user.

C:\Documents and Settings\All Users\Start Menu\Programs\Startup

Now just do logoff your computer and log on again...It will welcome you.