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Can't update to OS X 10.7.5 - corrupt / invalid checksum

2388 Views 8 Replies Latest reply: Sep 29, 2012 6:35 PM by keven-77 RSS
keven-77 Level 1 Level 1 (0 points)
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Sep 27, 2012 4:15 AM

I've been trying to update to 10.7.5 from 10.7.6 and am unable to do so. Initally I tried using the system's software update method but the download kept coming up as corrupt. Then I tried downloading directly from the download page here http://support.apple.com/kb/DL1583 but when I'd try to open the DMG file it gave me an "invalid checksum" message. I tried downloading this from both Safari and Chrome.

 

Any help would be much apreciated.

MacBook Pro (15-inch Mid 2009), Mac OS X (10.7.4)

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