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User profile for user: mac_mini_user_global
mac_mini_user_global Author
User level: Level 1
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Failing to upgrade to 10.9 from 10.8.5 - states 'An error occurred'

Using a mac mini, tried to upgrade from 10.8.5 to 10.9 using the Software Update feature. Download was working well, then after approx 2.4GB downloaded, the dialog changed. Lost all text from the button 'Pause' and some red text appeared next to the button stating 'An error occurred'.


Have tried requesting the Software Update again, however the App store doesnt see any new updates. System preferences still show that 10.8.5 is installed. Tried rebooting the mac and requesting the SW update again, but to no avail.


Any ideas anyone?

Mac mini, OS X Mountain Lion (10.8.5)

Posted on Nov 16, 2013 11:42 PM

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User profile for user: Carolyn Samit
Carolyn Samit
User level: Level 10
165,685 points

Nov 16, 2013 11:53 PM in response to mac_mini_user_global

Mavericks is not an update, it's an upgrade.


Open the App Store then type Mavericks in the search field top right corner of that window then select OS X Mavericks from the search results.



Mavericks requires a high speed broadband connection.


The file is approximately 5.35GB's in size. If you are using a slow connection, the file may time out.


Check your download speed here a > Ookla Speedtest - The Global Broadband Speed Test

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Failing to upgrade to 10.9 from 10.8.5 - states 'An error occurred'

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