Display legal notice on startup:
Wanna tell your friends about the do's and dont's in your computer when they login in your absence. Well you can do it pretty easily by displaying a legal notice at system start up.
"legalnoticecaption"="enter your notice caption"
"legalnoticetext"="enter your legal notice text"
Automatic Administrator Login:
Well here's the trick which you can use to prove that Windows XP is not at all secure as multi-user operating system. Hacking the system registry from any account having access to system registry puts you in to the administrator account.
Wanna play with your friends by removing the shutdown option from start menu in their computer.
Just hack it down !!!