

                     HOW TO UNPROTECT "SpssPc" (tm)
                      WITHOUT PROGRAM MODIFICATIONS

         If you wish to run "SpssPc" (ver. 1.1) from a hard disk, but
     are annoyed by the requirement for having the original disk 1 in
     drive A, then read on....

         On this disk is the program "SPSSFIX.COM".  All you
     have to do is to include this program in your "autoexec" file when
     running SpssPc.  For instance, your "autoexec.bat" might look like
     this:

         DATE
         TIME
         SPSSFIX
         (rest of autoexec.bat)
         .
         .
         .

         That's all there is to it.  SpssPC will no longer look for the
     key disk in drive A.

     How does SPSSFIX.COM work?

         The protection logic for SpssPC is quite simple.  On side 0, track 0E
     (hex) SpssPC searches for several "weird" sectors.  SpssPC screens
     the disk I/O calls and when it sees a request for track 0E, it
     sends back a return code indicating that the sectors on this track
     were successfully found.

         Note: this program was written for SpssPC version 1.1.  It may not
     work with subsequent versions if the protection scheme has been
     changed.

     A request:

         If you find this program of value and wish to encourage the
     availability of similar programs in the future, then you may wish
     to contribute $10 to the author at the address below:

                 Herbert Sorock
                 2241 Thornwood Avenue
                 Wilmette, IL  60091



******************************* Also *********************


                       Documentation for SpssFix Files

     I. Purpose

             Two short programs on this disk will permit you to run your
     SpssPc+ programs completely independent from having your key diskette in
     drive A.

     II. How to run these programs

             There are two .COM files supplied: SPSSFIXB.COM and
     SPSSFIXC.COM.  SPSSFIXB.COM is used to read your SpssPc+ diskette and
     write a short disk file (SPSSFIXB.DTA) which is read by SPSSFIXC.COM.
     SPSSFIXB.COM need only be run once.  The only reasons to run this
     program again would be:

                   1. SPSSFIXB.DTA is accidentally erased.

                   2. You upgrade your SpssPc+ programs for additional
                      features.

             Every time you run SpssPc+, simply execute SPSSFIXC.COM first.
     After you are finished with SpssPc+ be sure to run SPSSFIXC.COM again so
     that it can uninstall itself.  (If you fail to uninstall SPSSFIXC.COM
     you will find that drive A will not function).  SPSSFIXB.COM and
     SPSSFIXC.COM must be in the same directory to work properly, but they
     need not be in your SPSS directory.


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