Abdul Ahad,

I don't know the answer to the direct question you ask, BUT. . . you could design some "dishonesty detection" into your program. Keep in mind that UNLOCK and FLUSH cause writes to disk immediately, and so could be used to do **something* to leave a trail.

good luck,
Jim N

>I have a developed a Point of Sale system on windows 95. Some cashiers are dishonest and before the bill is saved, they reboot by pressing Ctrl+Alt+Del. Can I disable these keys?
>
>Thanks in advance,
>
>Abdul Ahad