If you’ve received the message: “Fixed an error occurred while preparing the installation, try running this application again” after upgrading to MacOS High Sierra, you might not be aware of the possible causes. Hardware or software incompatibility can result in this error message. To determine whether your computer is compatible with the new version, visit the Apple website. Restarting your Mac or unplugging USB devices might also fix this error. This might prevent new features and security patches from being installed.
Fixing an error occurred while preparing the installation
If you’ve encountered the message, “Fixing an error occurred while preparing the installation, please try running this application again”, you’re not alone. This issue can occur for various reasons, from the date and time of your system not matching the time on your computer to corrupt files. If you’re experiencing the error after a recent update, check for the cause and try the steps below.
If the error message still appears after rebooting, try restarting your MacBook. This will most likely fix the problem. If rebooting your computer does not solve the problem, try reinstalling the MacOS from Recovery Mode and without erasing the hard drive. It may seem confusing at first, but it will help you solve the error. If you can’t resolve the issue after trying these steps, backup all of your data before you begin the installation process.
Restarting the installation
If you’re experiencing the “An error occurred while preparing the installation, please try running this application again” error message, the problem might lie in your date and time settings. If they don’t match, the server will reject the installation, resulting in this error message. To fix this, restart your computer and try the installation again. If all else fails, you may need to reinstall the OS.
In some cases, the error could be caused by hardware or software incompatible with the new macOS operating system. If the update is preventing your Mac from receiving security patches or new features, check the system date to make sure it is correct. If both solutions fail, try restarting your computer and downloading the new installation file again from the App Store. Note that reloading files may take a while, especially if you have a slow connection.
If the error message is occurring on a Mac, try restarting the installation again. The problem could be caused by your time zone or date setting. If this is the case, you must reset the date and time settings first. If this doesn’t work, you may want to try running the application in “Safe mode.” This mode is available in the Utilities menu and will allow only essential components to run.
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Resetting the NVRAM
If you get the message “Error occurred while preparing the installation” while installing Mac OS, you need to clear the NVRAM on your Mac. This simple process will not erase the data stored on your storage drive and requires no repair experience or tools. Once you’ve cleared the NVRAM, try re-installing your application. Resetting the NVRAM will fix the problem for the rest of the installation process.
You may have a slow internet connection. Error 5010F may occur if your internet connection isn’t stable. Having a stable internet connection is essential if you’re downloading large files. Try another Wi-Fi network or move closer to your modem to improve your signal. If the problem persists, restart your Mac and run the installation again.
If you’ve tried reinstalling macOS but still got the same error message, you might want to reset the NVRAM. To do this, you should restart your Mac and then hold down Command/Option/P + R for about 20 seconds. Then, run the installation again. The error message will go away once you’ve successfully reset the NVRAM. If this method doesn’t work, you’ll need to try reinstalling macOS from scratch using Recovery Mode.