Mac Help in case of error "The installation of macOS could not be continued"

If you are setting up your Apple Mac, setting up a new MacBook or helping someone start up their iMac, you might get error messages like The installation of macOS could not continue or An error occurred while preparing to install seem familiar. What at first glance looks like a defect or at least a complex problem can usually be fixed with a fairly quick solution.

The solution for the error message during the macOS installation "The installation of macOS could not be continued" or "An error occurred while preparing the installation" is available here! Install Apple Mac OS X

The solution for the error message during the macOS installation "The installation of macOS could not be continued" or "An error occurred while preparing the installation" is available here!

Date and Time: Mac Troubleshooter for macOS Installation

A fairly common problem when installing Mac OS X or macOS on an Apple computer is that the date and time are not set correctly. This is checked during the macOS installation - and if there was previously a defect in software or hardware, then the data may have been reset. The system gladly assigns January 1, 2001. However, since this date does not match the current date, the system reports one of the error messages:

  • The installation of macOS could not continue
  • An error occurred while preparing to install

Solution to error message: Try old system or terminal

If you still have an old operating system on your Mac's hard drive, call it up and visit the system settings. You can find the correct settings under the following path: Apple symbol -> System settings ... -> Date & time -> "Date & time" tab. If there is no Mac OS X or macOS already installed, then proceed as described in the next paragraph.

The date and time can be set in the system settings of the existing system.

The date and time can be set in the system settings of the existing system.

During the installation the macOS utilities Window displayed. Take this opportunity to open the menu in the menu bar Utilities and there that Port. Enter the command "date" without quotation marks and the current dates. The format for this is month, day, time, year. For February 22nd, 2018, at 11:30 am you write “date 0222113018”. Here is the breakdown again: 02 for February; 22 for the day; 1130 for the time; 18 for the year.

Tip: Create a bootable USB stick

Questions and Answers

In addition to the error message when installing macOS or exactly on this topic, do you have any further questions about Mac, iPhone, iPad, iPod and Co.? Then please leave a comment or get in touch. Here at Sir Apfelot there are not only practical advice, instructions and solutions for problems and error messages, but also personal help - if this is possible thanks to experience and research;)

[sc name = "macOS manual"]

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18 comments

  1. Peter says:

    Hi, in that context I actually have a question: My old iMac runs via external Firewire-HD under Mac OS 10.11.6 (El Capitan; "updated" clone of a 10.6.8 system). Nevertheless, this 10.11.6 is shown to me as an update option via software update or a corresponding entry in the AppStore. But when I select it and try to start it, I get a message that it "cannot be installed on this Mac".

    It is somehow obvious because it IS already installed, but on the other hand I would like to get rid of the entry with the (apparent) update option for the sake of clarity. Is there a trick or, if necessary, an explanation for the current behavior of AppStore / software updates?

    Danke & Gruß
    Peter

    • Sir Apfelot says:

      Hi Peter! What does "updated clone" mean? Could it be that the App Store does not recognize it as a correct installation and therefore keeps bringing you the reference to High Sierra? And maybe it will help you this article continue (deactivate the indication of the High Sierra update).

      • Peter says:

        Hello Sir A.,
        In this case, "updated clone" means that I first created a clone of the previous snow leopard 10.6.8 via CCC on a partition of the external HD and then updated it to 10.11.6 via the El Capitan update (plus the subsequent downgrade to Java Runtime SE 6 because of my Adobe CS5 programs).
        And the update note does not refer to the High Sierra Update (which would theoretically be possible: 10.11 to 10.13), but to the SAME OS, ie El Capitan 10.11.6, which is currently - and as far as I can see, so far without Problems - running.
        But basically it actually seems as if the current system is not correctly recognized when the system version is queried, although on the other hand it is expressly shown correctly in "About this Mac" and in the detailed system report.
        However, I don't seem to get any messages (i.e. via the message center in the top right corner of the display). It's just on the AppStore screen under "Updates" or under the big notice there about the High Sierra Update, when I select this tab ...
        A little strange!

        • Sir Apfelot says:

          Hi Peter! Oh, that's really weird. What would happen if you downloaded the update and installed it over it? Maybe it's just security updates that he wants to "convey" to you? Lately it was this one Intel vulnerability and also the Telugu text bomb. Maybe it's just updates that fix these vulnerabilities?

    • Catherine says:

      OH MY GOD!!! I DO YOU !!!!!!!!
      I'm currently in Bangkok and I get this error message all at once. THANK YOU THANK YOU THANK YOU! The date solution worked !!!

  2. Waldemar says:

    Hello Sir Apfelot

    have a problem with the MacOS X Lion installation problems.
    I installed a new hard drive, formatted it accordingly and started the MacOs installation.
    The computer did something for a long time and then switched itself off.
    When I switched it on again, a window with the "installation" picture came up and immediately afterwards a popup that the installation went wrong and that I should reinstall it.

    The problem is that I can no longer retrigger the installation. The same behavior always occurs.
    I reformat the hard drive with the utilities, but to no avail.

    I also carried out the tip with the time (this was in 2001), but still no success.
    How could I fix the problem?

    • Sir Apfelot says:

      Hello Waldemar! Hmmm ... that's hard. Can you maybe install another system? El Capitan or something? I don't know right off the bat what the fault could be. Do you have the original system on an external hard drive and can you start from there?

  3. Waldemar says:

    Hello
    I only have one boot stick with the Lion :(
    I was hoping that after the installation I can update to something newer via the store.

    • Sir Apfelot says:

      Hello Waldemar! Yes, that would be a nice idea, but the app store doesn't offer that. You have to tinker a new bootable USB stick with the newer system. But it's pretty simple ... the software does it for you ...

  4. FW89 says:

    Good day,
    I erased my Mac's hard drive yesterday and wanted to reinstall MacOS Sierra over the Internet. The installation runs normally at first, but shortly before it is completed, an error message appears that the installation was not successful. The last time I was on MacOS High Sierra and I started with the key combination "Command" + R.
    Can someone say what could be the cause?

    • Sir Apfelot says:

      Hello FW89! Difficult to say without an exact error message. Can you maybe find out the exact wording? I like to have a look then. LG!

      • FW89 says:

        It says "An error occurred while preparing the installation"

        • Sir Apfelot says:

          I'm guessing the Mac's system time is wrong. You can test this if you open the terminal in the Finder (also works in the recovery partition) at the top of the menu and then enter "date". If the date is not correct, you can set it correctly with the "date" command. To do this, enter it in this form:
          date {month} {day} {hour} {minute} {year}
          Whereby all numbers are only two digits. Also the year. So for September 2nd, 2019 at 19:47 pm you would enter:
          dates 0902190019
          Then restart the Mac and try the installation again. It should actually go through then.

  5. Aysenur says:

    Hallo,

    I did the same with the date and time, but unfortunately unsuccessful, what else can I do?

  6. Apple says:

    Hello Sir Apfelot,
    the date problem didn't work for me. How could I still do it?

    • Jens Kleinholz says:

      Hello! I've also had a case that it didn't help. In the end I had to use the El Capitan Installer instead of Yosemite. He then managed an installation. Unfortunately, I don't know of any other approach.

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