an error occurred applying the software update

I’m trying to update my MacBook Pro 13 from Catalina to Big Sur..... I am unable to update as it says “an error occurred applying the software update”. I had taken a time machine backup... it doesn’t show up right now! Is there anything I can do? It’s urgent.... I am a student and need to be attending class using my laptop

Posted on Nov 12, 2020 11:22 PM

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Posted on Nov 15, 2020 7:20 AM

Hey I had the same problem but I have a solution. What you do is you restart your mac on the screen where is says an error occurred while applying the update and as your computer starts hold down command and "r". Then it will start macos recovery. There you choose your user and type in the password and then choole install mac os big sur. It will download a fresh copy of the update and install it. It worked for me hope it helps.

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94 replies

Jan 1, 2021 7:01 AM in response to CaroleVaudreuil-Dorion

Sorry to hear. Not fun. I wish I had more answers to help. My only suggestion is to try and contact Apple and see if they can help. Good luck to you. I know this is beyond frustrating. PS - I know I am on borrowed time as I can hear my hard drive starting to make noise. UGH! So frustrating. I am going to go get a WD - My Passport Ultra for Mac 2TB External USB 3.0 Portable Hard Drive and use Time Machine ASAP. Be well.



https://support.apple.com/en-us/HT201232

Feb 6, 2021 12:05 PM in response to nisha291

Its February 2021 and I have waited to do this update in order to do not come

to such an early release problem, but still, here I am.


I have exactly the same screen, but even stranger when I start in recovery mode

it asks which account I want to login and I select the only one there is and asks

for my password, which I am 100% sure it is correct but still it does not accept it.


There is also the option to unlock the Macintosh HD using a password which also

seems not to be the pass I am using for 7 even years on this computer.


What should I try next???? =(

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an error occurred applying the software update

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