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Cura 3.5.1 not starting on Mac OS 10.9.5

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The program is in the Program folder, first time the Mac asked me, if I want to start Cura, because, it is from the internet. I agreed. Then the symbol appears, and is gone within 1-2 seconds.

The next programstarts same procedure, the GUI will not appear. A SpashScreen with VersionNumber is also not visible.

And before you ask: Mac is rebooted ... thx for help

Edited by cajodo

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Not 100% sure, but I think you have to use an older version of Cura which is still working with Maverick. Your OS is quite old and as far as I know with 3.5 there was a change to a new version of a library which is not working anymore with older version of MacOS.

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system requirement for version 3.x  is Mac OSX 10.11.
For me it doesn't work on 10.11.6 either.


Operating systems

  • Windows Vista or higher, 64 bit
  • Mac OSX 10.11 or higher, 64 bit
  • Ubuntu 14.04 or higher, 64 bit


System requirements

  • OpenGL 2 compatible graphics chip, OpenGL 4.1 for 3D Layer view
  • Intel Core 2 or AMD Athlon 64 or newer
  • 205 MB available hard disk space
  • 4GB RAM memory



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