Trick Lock Your PC Yourself

lock ur pc.. open notepad copy and paste the script below and save it .VBS extention
This wil create a shortcut.. run(click) it

set WshShell = WScript.CreateObject("WScript.Shell")
set oShellLink = WshShell.CreateShortcut(wshShell.SpecialFolders("Desktop") & "\LockWorkstation.lnk")
oShellLink.TargetPath = "%windir%\system32\rundll32.exe"
oShellLink.Arguments = "user32.dll,LockWorkStation"
oShellLink.Save

first select a folder for example i'll use a folder name movies in D drive D:\movies\

in the same drive u create a text file and type

ren movies movies.{21EC2020-3AEA-1069-A2DD-08002B30309D}

and save it as loc.bat

again u type in a notepad as 

ren movies.{21EC2020-3AEA-1069-A2DD-08002B30309D} movies

and save it as key.bat

now in D drive u can see two batch files loc and key.. when u double click loc the movie folder will change to control panel and whn u double click key the control panel will change to normal folder..

there are two more different tricks in dis site to lock ur pc down in a unique ways.. donno where i have typed it.. !!!