Updating your MacBook or iMac should be free of headaches and drama. Apple even coined a marketing phrase “it just works!” But recently, a lot of readers and Mac users are finding the opposite–it just doesn’t work! Several users have recently had issues updating their MacBook with the latest version of macOS. Unfortunately, this appears to be a fairly common problem for some when updating to the latest macOS High Sierra update.
The update gets stuck with a message “mac os could not be installed on your computer an error occurred installing macOS.” Some folks report seeing this message as well “the path /System/Installation/Packages/OSInstall.mpkg appears to be missing or damaged.”
Issue: Adobe Creative Cloud desktop apps are listed as up-to-date when they aren't installed. Solution 1: Run the uninstaller. Solution 2: Remove the OPM.db file and log in again. Solution 3: Install the latest version of the Adobe Creative Cloud desktop app. Solution 4: Remove all Creative Cloud software. Sep 23, 2015 Some users are experienced this exact issue with the iOS 9.0.1 update, where Software Update offers an iOS 9 update instead of the latest version – in this case, it’s usually because they’re running the iOS 9 GM release from the beta program. Regardless, the solution is the same.
Then your Mac prompts you to quit the installer and restart your computer. Well, Apple, whatever happened to it just works???
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Quick Tips
RELATED ARTICLESGetting macOS could not be installed on your computer?
If you are experiencing this issue with your update, here are a few tips that you can use to address this issue. Before proceeding with the steps below, we suggest that you ensure your Mac’s clock is correct. If your Mac’s Date&Time do not match your current timezone or date, macOS often won’t install. Go to System Preferences > Date & Time. Apple prefers if you choose the option to Set Automatically.
Next, let’s try out the basic NVRAM reset (or PRAM for older Macs) on your computer.
Follow these steps if you are not sure about how to do the NVRAM reset
Check Storage
The other thing is to make sure that your MacBook/Mac has enough space available to complete the update. If you are running low on space, Apple provides some guidelines that can help you recover some space on your Mac.
Beyond the BasicsMacbook Says Software Is Up To Date But It Isn't
Now, that we have taken care of the basics, we suggest that you try each of the processes below until your macOS install problem is fixed. We arranged the how-to-fix steps in three separate categories.
The first of the troubleshooting steps walk you through Safe mode options and then we suggest the Recovery mode. The last of the options shows you how to remove third-party KEXT files using simple terminal commands and then try the install process.
How-To Fix macOS could not be installed issueFixing the Install issue using Safe Mode on your Macbook
If you tried the steps above in Safe mode and did not find success, the next course of action is to try the Recovery mode.
Mac Software Update Not AvailableFixing macOS Install Problem in Recovery Mode
Sometimes, when you are facing install/upgrade issues, a workaround that works for many users is to create an external bootable installer and try to run the install program using it. Apple provides a detailed white paper on this process. You can create the bootable installer on a USB and then try it to update the macOS.
Removing Third Party KEXT Files
If you are still reading and have already tried the series of fixes in both Safe mode and Recovery mode to no avail, you may have to roll up your sleeves and do a little more digging into the root cause of the issue. Sometimes it’s the third party KEXT extensions that cause a lot of heartache during update/install of macOS.
These KEXT Files get added to your Mac/MacBook when you are using third-party devices. If you are not sure about it, your best bet is to look and see what third-party extensions are currently there on your machine.
To do so, Open up terminal from your utilities and type in the following to see the non-Apple KEXTs.
Kextstat | grep –v com.apple
This command should show you all the third party extensions. Now you can remove them one by one or remove the one that you think may be the suspect. Using terminal, you can unload the kext my using the following command.
sudo kextunload /System/Library/Extensions/NAMEOFTHEKEXT.kext
Here ‘NAMEOFTHEKEXT’ needs to be replaced with the appropriate suspect KEXT file that you found above. Once you have unloaded the KEXT, you can go back and check to make sure that it has indeed been removed by using the kextstat command.
Once you have removed all the third party KEXT files and have made sure that you have enough space on your machine for the macOS update, please try and relaunch the install process.
Problems? Try Single User Mode
If your install process is failing because of a particular problematic file, you can also try to log in using the single user mode and delete that specific file and then try resuming the install. Sometimes you find these problematic ones off files in the Installer log files. To access these log files, open up the Console app in utilities and click on ‘/var/log’ on the left-hand column and then choose ‘instal.log’in the next column.
We are hoping that you were able to fix the macOS Install issue using some of these tips. If you have tried everything without any success, your best bet is to reach out to Apple Support folks so that they can help out. Please let us know how your install worked by using the comments below.
Reader Tips
Obsessed with tech since the early arrival of A/UX on Apple, Sudz (SK) is responsible for the editorial direction of AppleToolBox. He is based out of Los Angeles, CA.
Sudz specializes in covering all things macOS, having reviewed dozens of OS X and macOS developments over the years.
In a former life, Sudz worked helping Fortune 100 companies with their technology and business transformation aspirations.
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