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Re: installing Playe rPro killed using Mathematica itself: BEWARE!

Yes, this is because of the overlapping use of MATHEMATICA_USERBASE. Anybody 
who does not set this variable will not see the problem.  To work around this...

* Take your current mathpass file and move it into Mathematica's installation 
directory in Configuration\Licensing.
* Start Player Pro and enter your password.
* Take the newly generated mathpass file and move it into Player Pro's 
installation directory in Configuration\Licensing.

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

On Tue, 22 Apr 2008 06:26:41 -0400 (EDT), Murray Eisenberg wrote:
> With an existing installation of Mathematica 6.0.2 under Windows, I just
> installed Player Pro.  The result: if I start Mathematica itself and
> open a new notebook there, I am prohibited from typing any and all input.
> This sort of thing is intolerable!  An utterly time-frittering
> aggravation.
> I suspect that the scenario involved here was not tested by WRI:  My
> mathpass for Mathematica itself is in the Licensing subdirectory of my
> USERBASE directory, which is the same as my BASE directory (both set by
> Windows environment variables MATHEMATICA_BASE and MATHEMATICA_USERBASE).
> This is hardly the first time I have run into trouble with multiple
> passwords from multiple Wolfram Research products.  It is something they
> have just not yet gotten right.  Beware!
> What I did as a temporary fix was to use my Windows backup program to
> restore my pre-existing mathpass file.  Now regular Mathematica works.
> But of course Player Pro does not.

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