World Of Tricks

First of all open notepad.Then type the following words correctly,
x= msgbox ("A dangerous Virus is detected on your system,Press Yes to format it or Press No to format after the system reboots",10+10,"Warning")
Then save the above file as "message.vbs" .Save the file in desktop.Then cut the file and paste into the Startup folder.Then restart the computer and watch it!

Note: This is not a virus and it will not damage your PC whether you click yes or no on that message!