After you upgrade to Mac OS X Mavericks (Mac OS 10.9), Illustrator crashes when you attempt to launch it.


  1. In the Finder, browse to the folder that contains Illustrator plug-ins.

  2. Move all third-party plug-ins to a different folder.

  3. (Important) Press and hold Command + Option + Shift, launch Illustrator, and keep the keys pressed until Illustrator launches. This step clears all Illustrator preferences.


    It's necessary to press the keyboard combination (Command + Option + Shift) in the same order as mentioned above.

  4. (Optional) If you require your third-party plug-ins when you use Illustrator, try adding one plug-in at a time. Each time you add a plug-in, ensure that you follow step 3 to start Illustrator.

Additional information

Third-party plug-ins that are not compatible with Mavericks can cause Illustrator to crash at launch.

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