Hi Victor,
I've never used it, but you can also try:
http://www.softwarekey.com/swk_products/trial_creator/>Hello.
>We are starting into shareware, so we are trying to achieve a good solution in copy protection.
>
>So far we have this:
>
>ShareGuard, US$ 59.00, copy protection.
>EXE Encription , MoleBox US$ 49, we hope it stop UnFoxAll and Refox.
>Stored Procedure , Standard SQL Server Encryption.
>
>Do you have experiences/advice in those or other similar products to share?
>Thanks in advance