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<div style="direction: ltr;font-family: Tahoma;color: #000000;font-size: 10pt;">Problem solved! The problem was not due to McStas, but to X11, which didn't work after shut down. After deleting the old X11 installation and installing it again (from http://xquartz.macosforge.org/landing/),
the mcgui worked. <span name="Peter Kjær Willendrup" class="gD"><br>
<br>
Best,<br>
Andreas Larsen<br>
</span><br>
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<div style="direction: ltr;" id="divRpF396324"><font face="Tahoma" size="2" color="#000000"><b>Fra:</b> mcstas-users-bounces@mcstas.org [mcstas-users-bounces@mcstas.org] på vegne af Andreas Nørgård Larsen [plt572@alumni.ku.dk]<br>
<b>Sendt:</b> 19. september 2013 13:59<br>
<b>Til:</b> mcstas-users@mcstas.org<br>
<b>Emne:</b> [mcstas-users] mcgui does not work after shut down<br>
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<div style="direction:ltr; font-family:Tahoma; color:#000000; font-size:10pt">Dear MCSTAS experts,<br>
<br>
I had mcstas installed and it worked. While I ran a simulation, my computer ran out of power and therefore shut down. It was without power for some hours.
<br>
<br>
When I turned on the computer again, the mcgui did not work. <br>
<br>
I have Mac OS X 10.6.8 (Snowleopard). <br>
<br>
when I try to run mcgui in the terminal, nothing happens. This is all I see:<br>
<br>
Andreas-Nrgard-Larsens-MacBook-Pro:perl andreashlarsen$ mcgui<br>
<br>
<br>
X11 doesn't even start. I can run mcstas with mcrun from terminal. <br>
<br>
Since it worked before, I guess it would solve the problem to reinstall mcstas. How can I do that? I couldn't find any help on mcstas.org.<br>
<br>
I hope you can help. <br>
<br>
Best, <br>
Andreas Larsen<br>
<br>
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