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Re: RV: Version 9 Trial contaminates Version 8 running paid version

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  • Subject: [mg131812] Re: RV: Version 9 Trial contaminates Version 8 running paid version
  • From: John Fultz <jfultz at>
  • Date: Wed, 9 Oct 2013 22:09:27 -0400 (EDT)
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The problem is that Mathematica 8 is picking up Mathematica 9's 
activation information preferentially.  If you did nothing, after the 
trial period expired, Mathematica 8 would revert to its normal behavior 
(because the Mathematica 9 activation entry would be no good, so it 
would just skip it).  But I'm guessing you don't want to wait 25 days 
for that to happen.

Take a look at the output of this:


In all likelihood, you'll see two entries (or maybe more, but the first 
two are probably the ones that matter); the first one will have an 
activation key corresponding to your trial version, and the second with 
an activation key corresponding to your version 8.

You could simply flip them around with any text editor.  Or with 
Mathematica.  This code should do the trick (the complexity in the code 
is to preserve the position of some comment metadata that might be in 
your password file).

lines = Import[$PasswordFile, "Lines"];
lines = Split[lines,
   SameQ @@ StringMatchQ[{##}, StartOfString ~~ "%" ~~ __] &];
lines = Flatten[Reverse /@ lines];
Export[$PasswordFile, lines, "Lines"];


John Fultz
jfultz at
User Interface Group
Wolfram Research, Inc.

On Oct 9, 2013, at 1:11 AM, "E. Martin-Serrano" <eMartinSerrano at> wrote:

> Hi,
> Now, I have realized that the notebooks created and running  under the V8
> paid version also display the legend Wolfram Mathematica -  PRODUCT
> So it is not only the Welcome Screen what has been contaminated by the
> trial V9 version.
> De: E. Martin-Serrano [mailto:eMartinSerrano at]
> Enviado el: martes, 8 de octubre de 2013 13:42
> Para: mathgroup at
> Asunto: Version 9 Trial contaminates Version 8 running paid version
> Hi,
> Last week, I downloaded and installed V9 Trial, which I have already
> uninstalled after only three days.
> It seems that, somehow, V9 was, conflicting with V8, which is the version I
> am currently running. I uninstalled the Trial V9 to check whether I could
> find the conflicting points with the idea of reinstalling V9 again to
> continue the V9 trial.
> However, to my surprise, after the V9 trial uninstallation,  the former V8
> version Welcome screen is warning that my V8 paid Mathematica is =a trial
> product and that there are 26 days left for it.
> I have used the Windows uninstall tool to get rid of Mathematica V9 Trial
> and probably there are some leftovers still working in the original V8
> system (a clear indication of that V9 is interfering with the paid V8 even
> after the trial V9  has been uninstalled). Besides, after finishing the
> uninstallation, Windows8  warned it could not uninstall the whole
> Mathematica V9 trial stuff so that I ought to move manually the trial V9
> kernel to the  recycle bin.
> I hope someone could provide some clue about what is going on before the my
> current 26 days v8 trial period is over
> Regards
> E. Martin-Serrano
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