I have a Mac mini (late 2014). I did install an SSD disk to increase its performance.
Current Mac Mojave version: 10.14.6
Update: Security update 2020-003 10.14.6
I did this:
- Boot my mac using Verbose mode by pressing CMD + V after the booting chime
- Choose install update in the update dialog
Please note that I had installed a new SSD drive which might be related to this problem.
What I tried so far:
Unplug all USB devices except the native apple Keyboard
Activate safemode and verbose mode which gave me an error:
sudo nvram boot-args="-v -x"
When installing the update and booting in verbose mode I keep seeing the following line around 30 times:
Failed to send exception EXC_COPRPSE_NOTIFY. error code: 5 for pid 94 ... X68PlatformPlugin result 0
Interestingly the Etrecheck report tells me that the update was installed:
Software Installs (past 30 days):
Install Date Name (Version) .... 2020-07-06 Sicherheitsupdate 2020-003 (10.14.6)
But the Update keeps showing up: