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- With a USB installer connected, restart your Mac and hold the Option key to get to your boot selection screen. Select the Install MacOS Mojave option. DISCONNECT FROM THE INTERNET If you do not disconnect, the system will update its clock from the servers. (read: THIS WILL NOT WORK IF CONNECTED TO INTERNET).
- Aug 26, 2019 Go to the Apple menu and choose System Preferences. Go to “Software Update” and then choose to ‘Update Now’ when the newest “MacOS Mojave 10.14.6 Supplemental Update” arrives. The Mac will reboot to complete installation.
- Oct 20, 2018 I just bought a new imac 27' which came with High Sierra. I am trying to update to Mojave and I am having trouble. I go to the app store and download the mojave installer and that seems ok. Then when I run the mojave installer, it churns for a while and looks like its working.
Have you ever tried updating to macOS Mojave, and then the installer returns with the message “An error occurred installing macOS” after running for a few minutes?
In another case, you might find that your MacBook suddenly becomes unresponsive after installing Mojave, taking so much time performing otherwise simple tasks. The show ends with the spinning beach ball of death appearing, staying for a few minutes.
Know that you’re not alone – the macOS Mojave install error has happened to a number of users, and it doesn’t take a lot for them to realize that the problem is likely related to the OSInstallerSetup and the whole process of migrating to Mojave in general. This article aims to be your quick guide to navigate this problem and address it in no time.
A Quick Reminder Before Troubleshooting
The macOS Mojave install error has been identified as a hardware failure in some instances, given the user’s inability to reinstall the operating system despite following the reinstall procedure correctly. Some users, for example, have received this mac error message while attempting to reinstall: “com.apple.OSInstallerSetup.error error 702.”
Below are some quick steps you can follow to solve this issue. Before going further, however, make sure that your computer is in generally good shape. A reliable third-party tool such as Outbyte MacRepair can scan it for all types of junk, optimize your RAM, and eliminate space hogs safely in order to help you proceed with the troubleshooting efficiently.
A firmware update for your OWC Aura SSD, should correct the error message you get when you try to install macOS Mojave (10.14) on your Mac. Oct 22, 2018 If your Mac is stuck in the middle of a macOS update, then try installing your update in Safe mode. To start a Mac in safe mode, start your Mac, then press and hold the Shift key and keep the button pressed until you see the login window. Sep 24, 2018 Once the Mac App Store is done loading, click on the Updates tab at the top. Wait for the Updates tab to refresh as well, and you'll see the macOS Mojave update.
Ways to Fix the macOS Mojave Install Error
Let’s get to work and try the following steps to address the problem:
Install Mojave Using a New User
To do this, disconnect any external device from your Mac computer, such as audio devices, an external hard drive, and other peripherals. Next, try to install the software using a new user. Here are steps to create a new account for testing:
- Choose Apple menu > System Preferences > Users & Groups.
- Click the lock icon, and then enter an administrator name and password.
- Click the + (Add button) found below the list of users.
- Complete the fields for a Standard or Administrator account.
- Click Create Account or OK.
- Log out of your existing account and log in with the new one. Do this by choosing Apple menu > Log out.
- Once at the login window, log in with the new account’s name and password. If you’re prompted to sign in using an iCloud account or Apple ID, skip that step.
Once done, delete the installer file and then re-download it from the Mac Store.
If the issue still happens while you’re in the new account, then that means there’s something actually going on. At this point you can try the succeeding steps.
Check Your Software Version
Are you sure that your software is up to date? If you’ve already upgraded to Mojave, keep it up to date by following these steps:
- Choose Apple menu > System Preferences. Click Software Update to check for updates.
- If new updates are available, click Update now to install them. Choose More info to find out details about every update and select specific ones to install.
If your Mac is up to date according to Software Update, then that means all macOS apps are also up to date, including Safari, Books, iTunes, Messages, Calendar, Mail, FaceTime, and Photos.
You can also get updates for earlier macOS version such as High Sierra, Sierra, and El Capitan by following these steps:
- Open the App Store app.
- Click Updates located in the App Store toolbar.
- Using the Update buttons, download and install any updates listed.
Use Safe Mode
It’s also worth trying the Safe Mode option to resolve the issue. Also known as safe boot, it’s a way of initiating your Mac in a way that certain checks are done and the software is barred from automatically loading or opening. It can verify your startup disk and try to repair directory issues, as well as delete font cashes, kernel cache, and other system cache files.
Follow these steps to start up in safe mode:
- Start or restart your Mac. Afterwards, immediately press and hold the Shift key. At this point, the Apple logo should appear.
- Release the Shift key once you see the login window. For those whose startup disk is encrypted with FileVault, the user might be asked to log in twice.
- Leave in safe mode by restarting your Mac – no need to press any keys during startup.
Now, try to install the macOS update in safe mode.
Check for Hardware Issues
Apple Diagnostics assists you testing your machine for hardware issues. Once you have isolated the issue as a possible hardware problem, you can follow these steps:
- Disconnect all external devices except your mouse, keyboard, display, Ethernet connection, and AC power connection.
- Keep your Mac on a hard, flat, and stable surface that has proper ventilation.
- Shut down your computer.
- Turn it one, and then immediately press and Hold the D key on the keyboard. Keep doing it until a screen asking you to choose your language appears.
- The check lasts up to three minutes. If there is an issue found, Apple Diagnostics suggests solutions as well as offers references codes, which you should note before proceeding.
- Choose from the following options:
- Repeat the test by clicking Run the test again or pressing Command-R.
- Click Get started or press Command-G for further information.
- Restart your Mac by clicking Restart or pressing R.
- Click Shut down or press S to shut it down.
Check for Software Issues
Is it a software issue bugging your system and resulting in the macOS Mojave install error and subsequent problems with using your computer? Follow the instructions on this Apple Support page to address the issue depending on whether it occurs in just one app, in different apps, or in Mac OS X.
Clean-Install macOS Mojave
Here are the steps to follow to create a bootable Mojave installer:
- Download the new macOS from the App Store.
- Connect a USB drive to your Mac.
- Go to Disk Utility.
- Click the Erase tab, and select Mac OS Extended (Journaled) in the format tab.
- Give your USB a name. Click Erase.
- Once done, click Done and close Disk Utility.
- Next, launch Terminal once the USB is formatted.
- Make sure the USB is connected. Write the commands below in Terminal, where [YOUR DRIVE NAME] is the name you provided the installer drive:
sudo /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia –volume /Volumes/[YOUR DRIVE NAME] –applicationpath /Applications/Install macOS Mojave.app
- Hit Return. Enter your admin password and the bootable installer will be the created on the USB.
- Once you see Done in the Terminal window, quit Terminal.
It’s time to clean-install macOS Mojave on your Mac. Before proceeding, make sure to back up your Mac to keep your important files. Continue with these steps:
- Erase your main drive by going to System Preferences.
- Сlick Startup disk. Select the installer you just created.
- Restart your Mac and boot into recovery mode by holding down Command-R.
- Take your bootable USB and connect it to your computer.
- When the macOS Utilities screen appears, reinstall a new copy of macOS.
- Click Continue, then click Continue again once the next window shows up.
- Agree to the terms and conditions.
- Next, choose your Mac’s internal drive.
- Click Install.
- Wait for macOS Mojave to install and your machine to restart.
Final Notes
![Error Error](/uploads/1/2/6/4/126420224/965499013.jpg)
If you’ve tried the solutions above but the macOS Mojave install error persists, perhaps it’s time to contact Apple Support or seek professional service. Follow the steps here. Make sure to also do the steps above correctly to prevent new problems from popping up.
Update Software Mac Mojave Error Incomplete 2
Have you encountered this error before? What solved the issue? Let us know in the comments!
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If you’re running into errors and your system is suspiciously slow, your computer needs some maintenance work. Download Outbyte PC Repair for Windows, Outbyte Antivirus for Windows, or Outbyte MacRepair for macOS to resolve common computer performance issues. Fix computer troubles by downloading the compatible tool for your device.macOS updates are crucial to the stability, smooth performance, and overall security of your Mac. Most security patches are included in system updates so installing them is a must. Driver updates, app updates, and other software updates are also bundled together under Software Update.
Installing updates on macOS is very easy because you just need to go to the App Store or Software Update under System Preferences to keep all your apps and software up-to-date. You can even set up your Mac to automatically install future updates so you don’t have to check every time.
Unfortunately, the update installation process is not as smooth as it is for others. Various errors can occur when you install software updates, and some of them even lead to further errors. Update failures can also cause a kernel panic, boot loop, or unresponsiveness on your Mac. These errors are generally easy to resolve because there is a lot of information about them on discussion groups and technology websites.
One of the not-so-common update installation issues is the error_7E7AEE96CA. There have been some reports of Mac users Getting Error_7E7AEE96CA on macOS Mojave and High Sierra. This is a special case of an update failure and only specific types of Macs can get this error.
What is the Error_7E7AEE96CA on Mojave?
Some Mac users reported getting Error_7E7AEE96CA on macOS Mojave, as well as High Sierra and Sierra when installing an important update. For Macs running Mojave, the particular update that’s causing the error is the Mojave 10.14.6. But the error can also occur when installing other updates.
The error is usually accompanied by the following error message:
macOS could not be installed on your computer
Error_7E7AEE96CA
Quit the installer to restart your computer and try again.
Error_7E7AEE96CA
Quit the installer to restart your computer and try again.
Here are the different versions of the error message that you might encounter:
- The pat /System/Installation/Packages/OSInstall.mpkg appears to be missing or damaged.
- An error occurred installing macOS.
- Storage system verify or repair failed.
- An error occurred while verifying firmware.
When this Error_7E7AEE96CA appears, the user cannot proceed with the update and the installation leads to failure. There are even cases when the entire system crashed because of the error while others got a black screen with the error message written on it. Users are then forced to exit the installation process and try to find a solution to the problem.
Why is My Mac Getting the Error_7E7AEE96CA?
As mentioned earlier, this error affects a specific group of Macs, regardless of the macOS version running on it. The Macs that are getting the Error_7E7AEE96CA on macOS Mojave are those that have downgraded from Catalina. The system was initially upgraded to macOS Catalina, but for some reason, the users had to roll back to an earlier version of macOS. This also happens to users who were running Mojave and downgraded to High Sierra, or from High Sierra to Sierra.
This error can be caused by a corrupted system file that got damaged during the downgrade process. Something must have been broken somewhere during the downgrade, causing this error to appear whenever you install an upgrade.
Most of the users who got this error restored their previous version of operating system using their Time Machine backup, so it is also worth looking into this. Some system files from the previous macOS must have been left behind during the downgrade, causing your Mac to get confused and consider the update to be inconsistent with your software.
Other factors you need to consider include bad sectors on your hard drive, insufficient storage, unstable internet connection, and malware infection.
If you’re getting the Error_7E7AEE96CA on your Mac, it is important to figure out what caused it so you know what to do. In this guide, we’ll show you several ways to deal with this error so that you’ll be able to install new updates on your Mac again.
How to Fix the Error_7E7AEE96CA on Mac
The first thing you need to do when you get this error is to restart your computer. There is a chance that the error was caused by a temporary bug, and rebooting your Mac should quickly resolve it. If you can’t boot your Mac normally, boot into Safe Mode instead. Just press the Shift key when your Mac is restarting to boot into Safe Mode. This would help you isolate the issue and make troubleshooting a lot easier.
Once you’re in Safe Mode, check out the following aspects as well:
- Make sure you have enough storage space for the update, especially for major ones. You can click the Apple menu > About This Mac > Storage to find out if you have enough space on your hard drive.
- Make sure that your date and time are correct. You can configure it to Set Automatically so you don’t have to adjust every time.
- Disable your security software temporarily. An overprotective security app could be preventing your Mac from installing the update.
Here are some of the steps you can try when you encounter the Error_7E7AEE96CA when installing updates on your Mac:
Solution #1: Clean Up Old System Files.
When you downgrade your operating system, it is normal for some files from the previous OS to be left behind. However, some of these files could confuse your present system processes and lead to errors, such as Error_7E7AEE96CA. When this happens, you need to get rid of the cache files from the previous macOS installation to avoid confusion. You can use a Mac cleaner software, such as Outbyte MacRepair, to ensure that all leftover files are deleted.
Solution #2: Reset the NVRAM.
The Non-Volatile RAM or NVRAM is a tiny chunk of memory that saves basic information like the date and time, screen resolution, and which disk to use during startup. If you’re getting update failures, such as Error_7E7AEE96CA, resetting the NVRAM should help. To do this, follow the steps here:
- Shut down your Mac.
- Turn it back on, then press and hold the Command + Option + P + R keys immediately when you hear the startup chime.
- Keep holding the keys until you hear the startup chime for a second time.
- Release the keys and boot as normal.
Solution #3: Download the Combo Update.
If you’re trying to download a single update, such as Mojave 10.14.6, wait for the combo update to be released and install that instead. You can download the Mojave 10.14.6 Combo Update using this link. Make sure to clear a good chunk of your disk space before downloading the update. Once you’re done installing the combo update, you might be prompted to install other updates, but you should no longer encounter the Error_7E7AEE96CA on future updates.
What’s Next?
Update Software Mac Mojave Error Incomplete 10
Not being able to install important system updates can be troublesome. Aside from performance issues, you might also encounter security issues and other problems when running your Mac. If you encounter the Error_7E7AEE96CA when installing updates on macOS, just follow our guide above to get rid of the error and keep your Mac updated.