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Tip of the Day
Language: Visual Basic
Expertise: Beginner
Oct 1, 1996

Embedding Registration Information

Question:
Is it possible to edit a VB3 executable at runtime, i.e. inserting Registered user name and serial number information into the executable so that it can come up when the program loads (like the way Photoshop does)?

Answer:
I'd recommend that you put that sort of information into an INI file or the Registry, which is the way most programs (including the Microsoft suite) do it. Patching an executable on the fly is inherently dangerous. In addition, many newer applications have internal checksums that are recorded by various antivirus programs. If the checksum changes, the virus scanner may detect it as a virus, since that's the way many viruses infect programs.

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