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Re: Mathematica 7.01 and Mac OS 10.6 (Snow Leopard)

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  • Subject: [mg104015] Re: Mathematica 7.01 and Mac OS 10.6 (Snow Leopard)
  • From: John Fultz <jfultz at>
  • Date: Thu, 15 Oct 2009 07:19:21 -0400 (EDT)
  • Reply-to: jfultz at

If it's consistent with what we've seen elsewhere, then it happens the first
time you launch Mathematica after you reboot your computer, and never again
until the next reboot.  That's another Snow Leopard-specific problem which we're 

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

On Wed, 14 Oct 2009 07:56:27 -0400 (EDT), DrMajorBob wrote:
> My M7/Snow Leopard problem is that the kernel often freezes (while
> loading) the first time I evaluate a cell after opening Mathematica.
> Then I go to Evaluate>Stop Kernel, and trying again always seems to work.
> It's not a HUGE problem, but it wastes a minute of my time whenever it
> happens... about 20% of my Mathematica sessions.
> Bobby
> On Tue, 13 Oct 2009 22:18:07 -0500, monochrome <bayard.webb at>
> wrote:
>> I have experienced this once and was directed by customer service to
>> do the same thing. It has not recurred.
>> Bayard
>> On Oct 13, 4:18 am, Andrzej Kozlowski <a... at> wrote:
>>> Actually the situation is even worse than I described below. When I
>>> try to restart Mathematica after force quitting it, I get the message
>>> that the 2-user limit on this license has been reached. Contact
>>> Wolfram Research or an authorized Mathematica distributor for
>>> information on upgrding your license configuration.
>>> It seems that I have to restart my computer to be able to use
>>> Mathematica again, which is really getting somewhat ridiculous.
>>> Andrzej Kozlowski
>>> On 13 Oct 2009, at 17:56, Andrzej Kozlowski wrote:
>>>> I have been experiencing rare but very irritating problems running
>>>> Mathematica 7.01 under Mac OS 10.6 (Snow Leopard) on a MacBook.
>>>> What =
>>>> happens is that for some reason the kernel suddenly quits during an
>>>> evaluation. When I try to restart it (by evaluating some
>>>> expression) =
>>>> I get the message: "The kernel failed to start because you
>>>> attempted =
>>>> to run more Mathematica kernels than you have licensed." There are
>>>> two buttons, Purchase and Cancel. I find it rather annoying that
>>>> the =
>>>> Purchase button is selected by default but not half as annoying as
>>>> the fact that clicking on either button produces no effect.
>>>> Everything is actually frozen and there is no way out other than
>>>> force quitting Mathematica.
>>>> Has anyone experienced anything similar? As I mentioned - this
>>>> seems =
>>>> fairly rare; it has happened twice since I installed Snow Leopard
>>>> about  a month ago and I can't reproduce it.
>>>> Andrzej Kozlowski

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