Kenny wrote:
Hi Damien,

Sorry, I didn't explain properly......it is more of a little
utility(pilot's logbook) that I want to protect from unauthorised
copying.

The idea would be that when someone tries to run a new copy, it will
spit out a code unique to that guys' computer. He must then phone me
with that code, which I will then put through some sort of routine to
generate a key(the program on his machine does the same routine) and
if it matches, the program works.

The idea of the network card is good, except that this is a simple
desktop utility and not all computers will have a card......but it is
on the right track.

Ok. Thanks guys.....looking forward to more ideas.

I recently moved to a freeware version of a "simple little utility" because
I could not move my existing one to my laptop. I have no need of it on the
other machine.

I have paid for free programs that ask for a donation if I found them
useful.

Chances are you have enough competetion with programs that don't require
Access to worry about protecting something.