Latest Mac OS X El Capitan update (but one) leads to freezups

Mac Users Reporting Widespread System Freezes With OS X El Capitan 10.11.4 Update

I thought it was just me. I’ve been experiencing occasional freeze-ups for a while now. Everything locks up. The clock stops, and the mouse cursor won’t move. I need to do a cold restart.

This is the first mention I’ve seen that other people have had a problem. I’ve suspected a hardware glitch – which is annoying, because my MacBook Air is about a year old. I’ve been putting off calling AppleCare.

I hadn’t seen freeze-ups on days I reboot, so I rebooted daily.

As I write this, I’ve just updated to 10.11.5. The release notes don’t give any clear indication of fixing the problem I’m having, but you never know.

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