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Safari silent crash/quit with no error message

Subject mostly says it all. If I leave my Mac for an hour or more, with Safari running, when I get back most of the time Safari is no longer open, and there's no error message in Finder or (from what I can discern) in Console.


This happens on a MBPro and an iMac, and has been happening since Mavericks. Now running Yosemite. I've reported this to Apple but characteristically without a response. It's not a show-stopper, and Safari works fine when it's running, but it's becoming a tiresome problem.

iMac, OS X Yosemite (10.10.1)

Posted on Dec 6, 2014 7:43 PM

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Posted on Dec 6, 2014 10:21 PM

Automatic and Sudden Termination of Apps
Automatic app termination manages the life cycle of apps behind the scenes, terminating apps that are not being used and allowing the reclamation of resources such as memory. With this feature, users no longer need to explicitly quit apps (although they still can, if they want to). Instead, the operating system is responsible for managing app processes with the goal of ensuring optimal system performance.

Mac Technology Overview: Cocoa Application Layer

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Dec 6, 2014 10:21 PM in response to born sleepy

Automatic and Sudden Termination of Apps
Automatic app termination manages the life cycle of apps behind the scenes, terminating apps that are not being used and allowing the reclamation of resources such as memory. With this feature, users no longer need to explicitly quit apps (although they still can, if they want to). Instead, the operating system is responsible for managing app processes with the goal of ensuring optimal system performance.

Mac Technology Overview: Cocoa Application Layer

Safari silent crash/quit with no error message

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