                                                    3/01/85

PROUNLOK is a ONE-TIME process to remove Prolok from your program.
It is an improvement over and replaces PROKEY.COM (a resident program).
Using DBASE as an example:

1.  Isolate PROUNLOK.COM and DBASE.EXE onto a separate subdirectory
    or floppy.  You don't need the original floppy to run this.

2.  Type PROUNLOK DBASE

If everything works ok you will wind up with a DBASE.EXE that's
about 6K smaller and minus the Vault (Prolok) code.  It's the .EXE
the publisher started with.  You can copy and run it as you like.

Has been tested with dBase III, Framework and Realia COBOL.
If it doesn't work on your program, there are two possibilities:
  1.  Your program isn't protected by Prolok.  Do a TYPE on the
      .EXE file.  Vault always puts their copyright notice in the
      first 200-300 bytes in plaintext (unencrypted).  Note that
      Ashton-Tate is no longer using Prolok.
  2.  Vault has changed their code again.  Continue looking for an
      unprotect that works.

Kudos to the Lone Victor (PROLOK.UNP) for finding the right intercept
point.  I automated the process.

If my program works for you and you feel it's worth a contributation,
I would suggest $25.


Robert Wagner
2110 65th Street
Lubbock, TX  79412
806-745-5309 (home), 763-1931 (work), 763-3375 (BBS)
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