When you receive the error message, “An error occurred while preparing the installation”, there are a few things you can do to fix the problem. First, you can restart your computer. This will deallocate system resources and should allow you to retry the installation. In addition, you can use a technical fix to fix the error if the setup file is incompatible with your system.
Why This Error Message Occurs
When an error occurred while preparing the installation process, you should try restarting the computer and trying again. The restart will deallocate the system’s resources and hopefully fix the problem. If that doesn’t work, you should try using a technical fix. Sometimes this error message occurs because the setup file you are downloading is incompatible with your system.
In some cases, an error occurred while preparing the installation you can try reinstalling macOS by using Recovery Mode, which will usually solve this problem. But in other cases, the error message may remain even after rebooting the Mac. To prevent this from happening, you should back up your data before attempting any troubleshooting methods.
Common Causes for This Error
- There are several common causes for this error.
- Most often, it’s an incompatible installer build.
- Corrupt NVRAM data.
- A bug in the installation process.
- Fortunately, there are several tried and tested solutions that can fix this problem.
- However, if this problem persists, you should consult a professional to resolve it.
Corrupted Installer Files
When you’ve received a message that says, “Corrupted Installer files caused an error occurred while preparing the installation “, it’s possible that the installer was corrupted. This can occur when the installer wasn’t downloaded completely or was interrupted during the download process. A damaged installer will prevent the installation from proceeding. The solution is to download a fresh copy of the installer and run it.
Double-Click the Dmg File
If an error occurred while preparing the installation. You can find the installation files by double-clicking the dmg file. Double-click the dmg file and follow the onscreen instructions to complete the installation. The installation file may be on multiple disks, so you’ll need to copy it to a local copy of the target disc.
Free Up Space on Your Mac
When you still receive the message “ an error occurred while preparing the installation “make sure you have enough free space on your Mac. This space is required for the installation process. To check whether you have enough space, go to the Apple menu and choose “About This Mac.” Select “Storage.” If the space is full, click “Manage Storage” to find out which files are taking up space. If you still don’t have enough space, try moving some files to the Trash or downloading a new installer from the Apple store.
Download a Combo Installer
You can also try restarting your computer to try the installation again when an error occurred while preparing the installation. This will free up system resources and fix the error. Another option is to download a combo installer from Apple’s support site. This tool can fix the corrupt installers and make the macOS installation proceed more smoothly. The combo installer will also boot your Mac into Safe mode if needed.
When Attempting to Install Macos
Often when attempting to install macOS on a MacBook there will be an error message stating “an error occurred while preparing the installation”. Although there are many solutions to this particular problem, it’s not uncommon to find that a re-installation of the OS will result in the same error message. If you’re in this predicament, here are some proven tricks to get your mac back on track.
Simplest & Most Obvious Solutions
One of the simplest and most obvious solutions is to simply turn off your Mac and reboot. This will reset the mac installation process. However, this should only be done after a thorough check of the machine. You can also try to run First Aid, which will allow you to perform a system repair or wipe and re-install.
- Another simple solution is to re-create your Macintosh HD using diskitis.
- This will allow you to re-create the Macintosh HD on which you installed the OS.
- You should do the smart thing and try to re-install the OS yourself.
- This is a safer option than simply erasing your Macintosh hard drive.
It’s a good idea to backup any important data before attempting any solutions, such as the aforementioned re-installation. After performing a clean install of your Mac OS, you should perform a thorough check of your Macintosh hard drive to ensure that all of your personal files are intact. This will also prevent you from having to re-download any personal files or photos that you may have mistakenly deleted.