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MathGroup Archive 1999

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Re: Any Hazards When Installing V3 and V4 in Parallel?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg19170] Re: [mg19146] Any Hazards When Installing V3 and V4 in Parallel?
  • From: Jean-Marie Thomas <jmt at agat.net>
  • Date: Tue, 10 Aug 1999 02:52:37 -0400
  • Organization: TeA
  • References: <199908060358.XAA08183@smc.vnet.net.>
  • Sender: owner-wri-mathgroup at wolfram.com

No troubles for me (winnt4 sp4)

jmt

On Fri, 06 Aug 1999, hanssen at zeiss.de wrote:
> Hi, MathGroup,
> 
> reviewing this newsgroup I noticed, that there may be problems when
> installing Mathematica 3.x and Mathematica 4 in parallel on one WinNT Sp3 - computer.
> 
> Since there are also reportson rare cases, where Mathematica 3.x-notebooks 
> don't run on Mathematica 4 exactly as before, I need a way to easily "switch 
> back" for some transitional period of time.
> 
> Is there a way to install Mathematica 4 in parallel to an existing Mathematica 3.0?
> Which boundary conditions have to be met, when doing this?
> 
> Mathematica produces Registry entries under HKEY_LOCAL_MACHINE/
> SOFTWARE/Wolfram Research/Mathematica. Looking into it,
> I see a subdirectory "3.0". If Mathematica 4-installation is done right,
> I expect a seperate entry "4.0" after upgrading. However, there
> are other registry entriesHKEY_CLASSES_ROOT/.nb/MathematicaNB/
> ShellNew, which is not related to a version. The same holds for
> similarly structured entries MathematicaM, MathematicaNB and 
> MathematicaTR, all under HKEY_CLASSES_ROOT. The same
> holds for Mathematica-related entries under HKEY_LOCAL_MACHINE/
> SOFTWARE/Classses. I have found some more registry entries
> in other places. Therefore my question: Does one have to expect 
> problems with the registry for a parallel installation of both versions?
> 
> Do Mathematica 3.x and Mathematica 4 install any files in WinNT/System or
> WinNT/System32, whose names are the same, but the content
> different? Any problems to expect in this area?
> 
> If there are any problems of Mathematica 3.x and Mathematica 4 installed on the 
> same computer which can not be overcome by using proper
> options when installing: 
>      Would it be sufficient, to move the Mathematica 3.x-directory under 
> Program Files together with all its subdirectories to a CDR before
> installing Mathematica 4, in order to copy it back to its old place, when needed?
>      Would it be possible, to move the Mathematica 4-directory  under 
> Program Files together with all its subdirectories to a CDR, if one 
> wants to switch back to Mathematica 3.x, when needed?
>      Does anyone have a batch file for switching between versions
> in such a way?
> 
> 
> kind regards
> 
> Dipl.-Math. Adalbert Hanszen


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