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helpanoobout

macrumors newbie
Original poster
Mar 14, 2013
18
0
Hi,
I am trying to upgrade to OS X Mavericks from 10.7.5 but everytime I click the install button in the Apple App store, it looks like nothing is happening and now the button is all greyed out and I can't do anything. See image:
XLr0Vsf.png


Any ideas? Is there a stand alone installer?
 
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