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Thousands of Safari 'kill() returned unexpected error 1' errors

Every few minutes Safari will freeze for about 2-3 seconds. When I check Console I can see thousands of kill() returned unexpected error 1 errrors.


Any idea why?


Edit: Forgot to mention that the whole Mac locks up (inc mouse pointer), only seems to happen when using Safari.

MacBook Pro 15″, macOS 10.14

Posted on Jul 1, 2020 6:04 AM

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Posted on Jul 1, 2020 10:35 AM

Please check/test if other user/guest user also has same issue of freeze or lockup.

Test with another user account


If you have the same issue with above test. Please continue to check/test in safe mode: https://support.apple.com/en-us/HT201262


Hope this helps to resolve your issue.

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Thousands of Safari 'kill() returned unexpected error 1' errors

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