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Why app memory message pop up?

When I tried to download a huge file in Safari but also later with a small file I got that message!

Watching videos in Youtube did not bring the pop up but the computer often freezes for a couple of seconds!

I have a 2013 MacBook Air 13"

Posted on Jul 13, 2014 5:43 PM

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Posted on Jul 13, 2014 9:39 PM

Not memory. File sizes refer to storage space. There's a difference.


Click your Apple menu  top left in your screen. From the drop down menu click About This Mac > More Info > Storage


Make sure there's at least 15% free disk space.


Freeing space on your Mac OS X startup disk

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Why app memory message pop up?

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