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Re: Mathematica 4.2 and 5 errors

  • To: mathgroup at
  • Subject: [mg54876] Re: Mathematica 4.2 and 5 errors
  • From: Roland Franzius <roland.franzius at>
  • Date: Sat, 5 Mar 2005 01:34:22 -0500 (EST)
  • Organization: Universitaet Hannover
  • References: <d09dc7$d5g$>
  • Sender: owner-wri-mathgroup at

Stephen schrieb:
> Hi,
> I am having problems with Mathematica 4.2. on a Win 2000 machine in my
> office. I tried useing the lab computers and they have win XP and are
> running Math 5.
> The problem is that while using mathematica and if I do something that
> would normally make an error message pop up (the message is not even
> displayed) mathematica freezes and the only thing you can do is
> ctrl+alt+del and kill the program. Even something as simple at typing
> " } " will crash the system. Or having two varables that have similar
> names.
> They have only just upgraded the lab computers this year to xp and
> math 5. The only other change that i can think of is the installed
> firefox 1.01.
> I am on a university network and I have talked to the IT guys and we
> have tried doing an uninstall then reinstalling it but that did not
> work. And that is the extent of there knowledge of mathematica so i
> dont know what is going on.
> I thank you in advance for any help you can offer.

The  normal installation procedure is:

Log in as administrator (on a xp home edition in protected mode ). 
Install Mathematica. Give grade up users rights to administrators group. 
Restart computer als user. Start Mathematica. Log off. Login as 
adminstrator and downgrade users rights to original status.

Hanging the system results from the bad habit of Mathematica not 
respecting the systems rights hierarchy in case of errors or use of 


Roland Franzius

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