How to make my application installs only once on a system?

[jeba]

How to make my application installs only once on a system?
one more question.
How to find (search) a file using code?

Thanx in Advance,
Jebs.

you can modify the setup programm by yourself. only put a sub at the begining which checks registry entrys, or else.

taLON

[joe_brennan]

if you want the user to enter a password

couple of steps
1 . make a "password" form to run first
2 . generate a random number
3 . present this to the user
4 . get them to ring/email you
5 . give them a password
6 . this password will be a decrypted version
of your random number which you will have encyrpted in your program.

once this has happened create a file with an
strange extenstion .%% or something, write a value to it.
when you program next runs check for that file , if its there skip your password form.

hope this gives you some ideas
joe

[onerrorgoto]

Search this forum for
"Active Lock" or go here
Activelock.com

ActiveLock is a free ActiveX control that can be used to protect your VB programs from piracy. Using ActiveLock you can add registration features to your softwares, create trialware and raise your sales.

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[This message has been edited by onerrorgoto (edited 02-09-2000).]

[This message has been edited by onerrorgoto (edited 02-09-2000).]