I have tried several times to install the current Sonoma update, 14.7 on my 2023 MacBook Pro. I have plenty of space and the WiFi connection is fine. I keep getting the error message, "Failed to personalize the software update. Please try again. Anyone else having this issue? Any solutions?
MacBook Pro 16″, macOS 14.6
There are factors:
Some which are beyond your control and those with are totally under your control
Slow wifi connection
Too many other people downloading at the same time and Apple Servers are overloaded
Software on the computer interfering with the download process including AntiVirus Software
Notation: Disabling the AV Software may or may not solve the issue.
Removal of the AV Software may increase the chances of the download to perform as expected.
Running behind a VPN which may increase Packet losses or corruption of the download
If via wifi & too many Other devices using the same wifi at the same time reducing the Bandwidth to your computer.
Best Results are via Ethernet Cable to Router
Restart in Safe Mode. This will perform a Disk Repair, clear cache files and only load Apple Software, extensions and fonts. The boot up will be slow and can take some time - Normal
Try Again using the Software Update Applet in System Preferences / Setting
Worst case - Restart in Recovery Mode and choose Reinstall macOS.
This, in theory will pull the latest version of macOS this computer qualifies to run
Unable to install Sonoma 14.7 update on MacBook Pro
