"An Error Occurred while Downloading the Updates. (102)" - When attempting to update OSX 10.8.5 (Mountain Lion) on a 2013 MBP Retina

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"An Error Occurred while Downloading the Updates. (102)" - When attempting to update OSX 10.8.5 (Mountain Lion) on a 2013 MBP Retina

I have had this error several times since trying to update a Macbook Pro Retina 15", A1398 from Mountain Lion to the newest software. I read somewhere on these forums that you need to first update to High Sierra, or another, older OS, but it would not let me do this either (I only tried High Sierra).

Additionally, in order to fix the issue, I have erased and then reinstalled the Mountain Lion OS. I am signed in with my Apple ID.

Other issues I am having include, but aren't limited to:

Unable to sign into iMessage.
When trying to log in to my Apple account via Safari, it says it is not a secure connection. I have the laptop connected to my internet. I am currently typing this up on my other Macbook Pro Retina 15", Mid 2015.

Any suggestions would be greatly appreciated.

MacBook Pro 15", macOS 10.14

Posted on Jan 7, 2020 7:16 PM

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Answer 1

Top-ranking reply

Teddy_B

Community Specialist

Jan 10, 2020 9:48 AM in response to MeeceIT

Hi MeeceIT,

Thanks for using Apple Support Communities! I see you have an issue upgrading from Mac OS X Mountain Lion, and I'd like to help out.

If you haven't updated to Mac OS X 10.8.5, you'll need to do that first. Download OS X Mountain Lion Update v10.8.5 (Combo)

Then try to upgrade to OS X El Capitan 10.11, as that is the oldest available download, which is compatible to upgrade to macOS Catalina 10.15 from. The download link is included in this article: How to upgrade to OS X El Capitan

Update so you're on OS X El Capitan 10.11.6 before upgrading to macOS Catalina 10.15. How to upgrade to macOS Catalina

This article has all the Mac OS versions listed with each of the highest available update: Find out which macOS your Mac is using

Take care!

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Answer 2

MeeceIT Author

Level 1

47 points

Feb 5, 2020 7:49 PM in response to Teddy_B

Thanks! Very detailed, and most likely, helpful response. Unfortunately I did not see this until after I did an internet recovery (I think that is the term). Took a little while longer, but it worked!

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Answer 3

Feb 6, 2020 10:41 AM in response to Teddy_B

Hello, A13_usr.

Not to hijack this thread, but I see you are ID'd as a Community Specialist.

Any chance you might take a peek at this similar thread I've been trying to assist with?

Updating from Snow Leopard to High Sierra on my 2010 Imac.

Apologies if this is inappropriate or out of line, please forgive.

Thx.

d.i.

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"An Error Occurred while Downloading the Updates. (102)" - When attempting to update OSX 10.8.5 (Mountain Lion) on a 2013 MBP Retina

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