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Need Help: 2018 MacBook Pro Constantly Fails Software Update During Preparation Phase

M

mactops

macrumors newbie
Original poster
Nov 14, 2024
4
0
Hello everyone,



I’m facing an issue with my 2018 MacBook Pro regarding software updates.

Despite having ample SSD space and a stable Wi-Fi connection, I have been unable to install any updates for several months.

The update process always fails during the preparation stage with the following error message:
“Die Vorbereitung des Softwareupdates ist fehlgeschlagen. Versuche es erneut. Beim Laden der ausgewählten Updates ist ein Fehler aufgetreten. Überprüfe deine Internetverbindung und versuche es erneut.”
This translates to “Preparation of the software update failed. Try again. An error occurred while loading the selected updates. Check your internet connection and try again.”

I have not yet tried any specific troubleshooting steps and am looking for advice on how to proceed. Does anyone here have experience with this issue or have suggestions on potential fixes?

Not sure whether it may play a role: But I am maintaining two dynamic volumes on my system (i.e. partitions). One for private stuff and one for programming.

Thank you for any guidance you can provide!
 
Curious what version of macOS do you have and what version are updating to?
mactops said:
But I am maintaining two dynamic volumes on my system (i.e. partitions). One for private stuff and one for programming.
Click to expand...
Do mean you have two different installs of macOS?
 
"Not sure whether it may play a role: But I am maintaining two dynamic volumes on my system (i.e. partitions). One for private stuff and one for programming."

I'm thinking this has very much to do with the OP's problems...
 
Last edited:
Bigwaff said:
Curious what version of macOS do you have and what version are updating to?

Do mean you have two different installs of macOS?
Click to expand...
I have two macOS installs. Both are 14.7.

Updates always worked without any problems. But now I cannot update either one of the two to 14.7.1 or 15.1.
 
I'm thinking you're going to have to make a choice "between OS installs",
Back up both of them,
Then delete ONE of the containers/partitions,
Then try upgrading the remaining OS.

Then decide what to do next...
 
Fishrrman said:
I'm thinking you're going to have to make a choice "between OS installs",
Back up both of them,
Then delete ONE of the containers/partitions,
Then try upgrading the remaining OS.

Then decide what to do next...
Click to expand...
Any background information that Apple changed something with respect to this? I mean, updates always worked without any problems in that setting.
 
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