Hi Stefan, I had help from Tsu-Chein Weng (tsuchien@slac.stanford.edu) with this issue and his solution worked for me. Basically I had to unistall both iXAFS and XQuartz and reinstall and do a similar trick in terminal. Hope this helps! 1. Drag /Applications/iXAFS.app into the trash bin 2. Download iXAFS3.0.3.dmg and install the package 3. Drage /Applications/XQuartz.app and /opt/X11 into the trash bin 4. Download XQuartz-2.7.4.dmg and install the package 5. Launch Terminal.app 5.1 cd /Applications/Utilities 5.2 sudo rm -fr X11.app 5.3 sudo mkdir X11.app 5.4 cd X11.app 5.5 sudo ln -s ../XQuartz.app/Contents 5.6 open -a X11 5.7 open -a ixafs Thank you, Kyler J. Carroll, Ph.D. Research Scientist Chemical Engineering Massachusetts Institute of Technology, On Mon, Oct 28, 2013 at 10:47 AM,

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Today's Topics:

1. Did anyone upgraded to SeaLion aka Mavericks (MacOS 10.9) (Mangold, Stefan) 2. Athena crash report (George Sterbinsky) 3. Re: Athena crash report (Bruce Ravel) 4. Re: Athena crash report (George Sterbinsky) 5. Re: Athena crash report (Bruce Ravel)

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Message: 1 Date: Sun, 27 Oct 2013 18:00:28 +0100 From: "Mangold, Stefan" To: XAFS Analysis using Ifeffit Subject: [Ifeffit] Did anyone upgraded to SeaLion aka Mavericks (MacOS 10.9) Message-ID: <6C20978B-32DC-4C87-A900-2499DFFF4EC9@kit.edu> Content-Type: text/plain; charset="us-ascii"

Dear all,

one question to the early adopter. Did anyone tried ifeffit already on Mavericks? Is there any known issue beside the X11/Quartz issue? I have it installed ifeffit on MoutainLion with the know trick to "emulate" the old X11 (was on the mailing list).

Best regards

Stefan Mangold

Karlsruhe Institute of Technology (KIT) ANKA Synchrotron Radiation Facility