Hi Emmanuel,
>Is there a way to read the hard drive serial number. I'm planning to use it for a security system so the user cannot copy the app. to another machine.
Be aware that this requires a call of your users whenever they install a new hard disk. Many clients (at least in my experience) won't except such a securtiy system, because it makes the software unusable when you are not available for a short time or even out of business.
Christof
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Christof