Illustrator crashing on macOS

Hi there,

Sorry to hear about this trouble. As mentioned above, the crashing and unexpected behavior in application can be caused due to corrupt/ damaged preferences. I would like to know if the steps suggested above worked for you, or the issue still persists. If not, please share a few more details like:

• OS and version of Illustrator
• Share crash logs by following these steps: https://helpx.adobe.com/in/illustrator/kb/crash-next-steps.html 
• Is the issue related to a specific document? If yes, could you please share the document with us? You can upload it to the Creative Cloud (https://helpx.adobe.com/in/creative-cloud/help/share.html) and share the download link. 
• Where the files are saved (Network Drive/ System HDD/ Shared Folder on System /External HDD)? 
• When did this start happening? Are there any recent changes made to your system? For example, any antivirus, system updates or web extensions installed recently. 

You may also try the steps shared in this help article and share your observations with us. Kindly update the discussion if the issue is resolved or if you still need assistance with it.

Regards,
Srishti

Which version and which system is it?

Hi. Please try resetting the preferences: https://helpx.adobe.com/es/illustrator/using/setting-preferences.html#setting_illustrator_preferences