hubwired said:
I have a mdb that manage moto loans, I have placed some security check on how
can be used but I really need to find out how really one can retrieve a pc
info from a mdb and use that information to register such pc to use the mdb
Tools available from sites such as sysinternals.com can crack any
method you use to store a future date anywhere on a system such as in
the registry or a file. Unless it's encrypted. But even then if you
delete the date from wherever it's stored your app may think it's just
installed.
Thus I prefer to limit the number of records in one key table such as
5 units or 50 volunteers but allow unlimited access for everything
else. Once I get paid then I email them an encrypted file containing
the number of records they are licensed for as well as their company
name which goes on the bottom of every page of every report.
For more of my thoughts on this topic see the "Copy protection or how
to safely distribute a demo Microsoft Access Application" page at
http://www.granite.ab.ca/access/demo.htm
Tony.
--
Tony Toews, Microsoft Access MVP
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Microsoft Access Links, Hints, Tips & Accounting Systems at
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