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When I'm using Mathematica 8 and try to import a file I get this error: LinkOpen::linke: Could not find MathLink executable. >> and the place I tried to input the file to is just saying Null.

I have been able to import files into Mathematica earlier, but it has suddenly stopped working.

I'm using Mac OS X 10.7.2

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  • On Windows, or OS X?
    – slhck
    Jan 15, 2012 at 22:27
  • @slhck on OS X 10.7.2
    – Tyilo
    Jan 15, 2012 at 22:49

2 Answers 2

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I expect your Mathematica installation is broken. Can you try to reinstall it?

Mathematica uses helper programs (separate processes) to import or export certain file types. I believe this error indicates that it cannot find the helper program's executable to launch. Since these come with the Mathematica installation, the only explanation I can find is that your installation got corrupted.

Note: Most of these executables are in SystemFiles/Converters/Binaries within the Mathematica installation directory.

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By replacing files inside Mathematica.app (8.0.0) with the same files from the Mathematica trial (8.0.4), I found that the problem was the file

Mathematica.app/SystemFiles/Kernel/SystemResources/MacOSX-x86-64/Converters.mx

I have uploaded the working Converters.mx here in case someone else gets this problem too.

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