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Clean Up My Mac

1084 Views 7 Replies Latest reply: Dec 26, 2012 9:25 AM by Klaus1 RSS
cyclotron2012 Calculating status...
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Oct 18, 2012 7:08 AM

I keep getting a pop up saying that I should clean my Mac with "911 for your Mac".

 

Firstly is this necessary;

Secondly does it work; and

Thirdly, is it worth the effort?

MacBook Pro, 6 months old & never switched off

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