Lock uR ComputeR

hello frend back to you with a new trick 

this is trick from which u can lock any computer with ur secret key...

for this.all u have to do is...

go to start

then>run>type>SYSKEY

then u'll see one...dialog box....

there..u'll find one button..UPDATE...click on that
and then.

check the radio button option> password startup.

& put ur desired paasword

restart ur system...n see the magic.....