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Unable to update macOS Catalina 10.15.4

Trying to update my mac from macOS Catalina 10.15.4 to macOS Catalina 10.15.5. The downloading completes it's run and stops there. Nothing happens thereafter. Hence, the OS isn't getting updated. Could anybody help, please?

MacBook Pro 13″, macOS 10.15

Posted on Jun 22, 2020 5:10 AM

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Posted on Jun 25, 2020 10:09 AM

Try using the macOS Catalina 10.15.5 Combo Update.  If you still have problems with out boot into Safe Mode (How to use safe mode on your Mac - Apple Support) by booting with the Shift key held down and apply the updater from there.

NOTE: Safe Mode boot can take up to 10 minutes as it's doing some system cache cleaning, volume verifying and directory repairing. 

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Question marked as Top-ranking reply

Jun 25, 2020 10:09 AM in response to kailashchhetri

Try using the macOS Catalina 10.15.5 Combo Update.  If you still have problems with out boot into Safe Mode (How to use safe mode on your Mac - Apple Support) by booting with the Shift key held down and apply the updater from there.

NOTE: Safe Mode boot can take up to 10 minutes as it's doing some system cache cleaning, volume verifying and directory repairing. 

Jun 25, 2020 9:15 AM in response to kailashchhetri

Hey there kailashchhetri,


Thanks for reaching out to Apple Support Communities. It sounds like you’re running into issues when attempting to update macOS. We understand the importance of being able to keep your Mac up to date and we’ll be happy to help with this.


How are you attempting to update? Review the following link to make sure you’re going through the expected steps:


How to update the software on your Mac 


If that’s not working, try manually downloading and installing the updating from here:


Download macOS Catalina 10.15.5 Update


In that case, you’ll need to manually start the update once the download is complete.


If you still run into issues, boot into safe mode or a new user account and try updating there:


How to use safe mode on your Mac

How to test an issue in another user account on your Mac 


I hope this helps. 


Take care.

Jul 10, 2020 6:03 PM in response to Old Toad

I also have this problem of trying to update to macOS Catalina 10.15.5 on my MacBook Pro and have tried to download with Safe mode and also the Combo update. Neither work - the messages say "The installation failed. An error occurred downloading one or more packages for the update product". Would be grateful for some assistance.

Unable to update macOS Catalina 10.15.4

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