I am on a Macbook Pro 13 inch late 2013, my macbook is currently on MacOS High Sierra 10.13.1. I want to update to 10.13.6 so I update through the mac apple store and everything seemed fine and i thought it updated cause it even showed the installing bar and my mac evev restarted. So i opened my macbook, checked the software and it's still on 10.13.1. I try downloading the update through the apple website, but it always shows this 'An error occurred while processing your request.

1. Macbook Pro High Sierra Update

Mar 12, 2019  I am on a Macbook Pro 13 inch late 2013, my macbook is currently on MacOS High Sierra 10.13.1. I want to update to 10.13.6 so I update through the mac apple store and everything seemed fine and i thought it updated cause it even showed the installing bar and my mac evev restarted. Mac Pro (Late 2013) running macOS 10.13.x (High Sierra), macOS 10.14 (Mojave), macOS 10.15 (Catalina) or later. Model Identifier: MacPro6,1 (Find your Mac Pro Model Identifier by clicking on the Apple menu (at the upper left of your screen).

Reference #172.d6b473a.1551540220.b2612d30. Does anyone know a solution? Thanks.

MacBook Pro 13', macOS 10.13

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macOS installation problem happens all the time. After downloading the macOS installer, you try to install the macOS Catalina/Mojave, macOS Sierra or High Sierra but the installation get stuck. The progress bar has been stuck at 40% or something, showing: 'Installation is in progress. Calculating time remaining..'

If your macOS update also get stuck at 'Installation is in progress. Calculating time remaining..' Here shows you how to confirm if the installation is still going on and how to complete the update successfully.

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1.Check If the Install is Still Going on

Sometimes, it just takes a very long time for you MacBook or iMac to install the macOS Sierra or High Sierra update. So it doesn't necessarily mean that the macOS installation is frozen when the Mac stay at “20 minutes remaining” for two hours. And forcing restarting a Mac during OS installation may cause data loss. Therefore, before taking further action, press Command + L , which will open the log file and shows you if the installation is still going on and the amount of time left.

If you confirm that the installation is frozen, try the following methods to fix.

2. Force Restart Your Mac

Hold down the power button to power off the Mac. Then restart the Mac. After the Mac reboots, try to install the macOS Catalina, Mojave, High Sierra again.

If the installation get stuck when you try to update the Mac from Mac App Store, you may download macOS software from Apple website, which is the Combo updater which includes all the files required to update the macOS.

3. Install macOS in Safe Mode

Another way to install Catalina, Mojave, Sierra or High Sierra successfully is to install the macOS in safe mode. To get your Mac into Safe mode:

As you Mac start up, hold down the Shift key until the Apple logo appears.When you Mac is in Safe mode, go to App Store and get the High Sierra update.

4. Reset the NVRAM

If the Sierra or High Sierra installation is still won't complete in Safe mode, you can try to reset the NVRAM. NVRAM is a memory section on your Mac that store data like volume settings, screen resolution.

To reset the NVRAM on Mac, restart Mac and hold down Command + Option + P + R.The Mac will restart with options in NVRAM resetting. Now try to update your Mac.

Macbook Pro High Sierra Update

5. Reinstall macOS in Recovery Mode

This will help you to install macOS Sierra or High Sierra and newer versions, without data loss.

• Restart your mac and hold down the Command + R to boot your Mac into Recovery mode.

• Click Disk Utility and choose First Aid for your startup drive.

• Restart the Mac again when this time, press Command + Option + R to get your Mac in Internet Recovery mode.

• Choose Install a new copy of MAC OS and wait for the installation to complete.

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If you have a Time Machine backup, restore your Mac from the backup in Recovery mode. After the restoration, try to install the macOS again.

6. Clean Install from External Drive

If none of the above methods work for your Mac, you can try to clean install the macOS Sierra or High Sierra from external drive. Here is the complete guide of how to clean install macOS High Sierra on Mac.

7. Recover Mac Files When Catalina/Mojave/High Sierra Installation Is Stuck

After fixing the frozen macOS installation issue, you may found some files missing on your Mac. If so, you can use FonePaw Data Recovery to recover the deleted data from Mac. The program can restore the missing documents, photos and more from hard drive, SD card, USB drive on Mac and Windows PC. Download the Mac version of FonePaw Data Recovery to have a try.

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Step 1. Run the program.

↓ 13 – 30 Days TrialAward-winning ESET detection technology gives you fast, powerful anti-malware protection for your Mac, whether you’re surfing, working or gaming online.

Step 2. Select one or all categories: photos, videos, audio, documents, email or others. Then select the hard drive of your Mac. Click Scan.

Step 3. Once the scanning is stopped, you can view the deleted files and choose the needed one to recover to your Mac.

If the macOS installation on your Mac is still stuck or frozen, describe the problem below.

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