AIGPUSniffer quit unexpectedly” is an error that might occur on Mac OS X when using various Adobe products, including Adobe Illustrator, Adobe Bridge, Adobe Creative Cloud and others. This is quite a common issue that has been bothering users at least since 2015 I think. However, you can change these settings by following workaround : Workaround 1.) Go to Bridge Preferences. Choose File Type Association. Change default to Adobe Illustrator. Workaround 2.) What is AIGPUSniffer? - Apple Community Workaround 3.) Either Install available updates of Adobe and Mac or roll back to previous version of AI like AI 22.1 Adobe software and product updates Upgrade to macOS Mojave - Official Apple Support
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