Download error. I'm unable to download mountain lion.

I'm trying to download OS X mountain lion, but the download does not start.
It says that an error occurred. How do I see what error is this?
Thanks a lot.

Thanks a lot Carolyn for the tips, but i didn't manage to get it working through reinstallation of the 10.7.4 combo.
Deb from iTunes Store customer support pointed me to this beauitful article,
https://discussions.apple.com/message/16063398#16063398
I didn't have to install any package, just delete the corrupted file and it works brilliantly after that.

Similar Messages

  • Unable to download Mountain Lion after purchase in App store.

    After purchasing Mountain Lion in App store, I have been unable to successfully download a copy.
    It was not interrupted, it just stops.
    Every attempt (including the first) fails at 142 MB, with the meaningless "unable to download" error. In the console log I find this:
    7/31/13 2:32:56.894 PM storeagent: ISStoreURLOperation: Expected bytes (4437341116) did not match actual (142374555)! Setting error. (See 9215068)
    indicating the error. The file was expected to be 4.4 GB (yes), but does not match actual 142 MB...?
    I have found references to this error, but no real fix. I have tried every "fix" suggested; Safe boot, guest user login, deleting temp files, hidden files, app store files, debug mode in app store, repairing permissions, changing ethernet ports, changing DNS (loved that one), and others.
    I finally erased the hard drive with zeroes, re-installed 10.7, software updated to 10.7.5 and immediately attempted download - it still fails.
    I also have no virus software or little snitch, or anything else that would prevent downloads. I have been able to download free and purchased software from the app store (xcode, pages, ibooks author) - that are more than 142MB.
    So this is not an ISP, modem, or some other thing preventing me from downloading using the app store. It is a problem *only* with downloading Mountain Lion.
    This seems like an Apple problem. Anybody have a real fix?

    Are you quite sure? Check your model identifier. If you have the first model released, then it cannot run anything past Lion. Be sure you meet ALL the requirements.
    Upgrading to Mavericks
    You can upgrade to Mavericks from Lion or directly from Snow Leopard. Mavericks can be downloaded from the Mac App Store for FREE.
    Upgrading to Mavericks
    To upgrade to Mavericks you must have Snow Leopard 10.6.8 or Lion installed. Download Mavericks from the App Store. Sign in using your Apple ID. Mavericks is free. The file is quite large, over 5 GBs, so allow some time to download. It would be preferable to use Ethernet because it is nearly four times faster than wireless.
        OS X Mavericks- System Requirements
          Macs that can be upgraded to OS X Mavericks
             1. iMac (Mid 2007 or newer) - Model Identifier 7,1 or later
             2. MacBook (Late 2008 Aluminum, or Early 2009 or newer) - Model Identifier 5,1 or later
             3. MacBook Pro (Mid/Late 2007 or newer) - Model Identifier 3,1 or later
             4. MacBook Air (Late 2008 or newer) - Model Identifier 2,1 or later
             5. Mac mini (Early 2009 or newer) - Model Identifier 3,1 or later
             6. Mac Pro (Early 2008 or newer) - Model Identifier 3,1 or later
             7. Xserve (Early 2009) - Model Identifier 3,1 or later
    To find the model identifier open System Profiler in the Utilities folder. It's displayed in the panel on the right.
         Are my applications compatible?
             See App Compatibility Table - RoaringApps.

  • Error while downloading mountain lion

    i was downloading mountain lion ..left it overnight..in the morning saw a error message in the app store purchase list ..to remove the error i clicked on the x showing on the side of the error. However it removed the mountain lion download from list only ...
    what do i do ? i donot want to download it from the start ..i searched the file on the mac book air but could not locate the part downloaded file ..help !

    Try downloading it in safe mode. Hold the Shift key while your Mac is starting to start into safe mode, and then, open App Store > Purchases, and download Mountain Lion.
    If it doesn't work, contact with App Store support > http://www.apple.com/support/icloud/contact

  • I just downloaded Mountain Lion and everything is working great. But i keep getting an error in the app store and i can't download 'Pages"

    I just downloaded Mountain Lion and everything is working great. But i keep getting an error in the app store and i can't download 'Pages' or any other apps. I keep getting an "error" and it says credit card processing is temporarily unavailable......help

    Try deleting the cache associated with the App Store.
    Quit the App Store if it's open.
    Open the Finder. From the Finder menu bar click Go > Go to Folder
    Type this exactly as you see it here:
    ~/Library/Caches/com.apple.appstore/Cache.db
    Click Go
    Move the Cache.db file to the Trash.
    Launch the App Store. See if that made a difference...

  • Can't download mountain lion from app store, shows error message: retry/cancel and starts from begining

    can't download mountain lion from app store, shows error message: retry/cancel and starts from begining,
    I alreasy paid for it
    Can I get a direct download link other than from app store

    Try opening the Terminal utility in your system and running the following command to open the system's caches folder:
    open $TMPDIR../C
    Then locate and remove the folder called "com.apple.appstore" and then try relaunching the App Store and downloading the installer again.

  • Downloading mountain lion damaged my hard disc. I took my Mac Pro to apple book store. They are unable to repair it and suggest I purchase a new hard disc for $160. It was a perfectly functioning Mac Pro that got damaged by downloading mountain lion.

    Downloading mountain lion damaged my hard disc. I took my Mac Pro to apple store. They are unable to repair it and suggest I purchase a new hard disc for $160. It was a perfectly functioning Mac Pro that got damaged by downloading mountain lion.

    Software upgrades do not generally damage hardware; your drive's failure must be co-incidental. On most MBP's, a hard drive is very easily replaced by a user. You might want to check out this site for both hard drives as well as install videos (check which model you have so you can check the correct video):
    http://eshop.macsales.com/installvideos/
    hard drives:
    http://eshop.macsales.com/shop/internal_storage/hard_drives_and_SSD
    I just recently upgraded my MBP with an SSD; I purchased an kit with an external enclosure from OWC and cloned the current drive to the new one, installed the new drive and was done in no time.

  • I am currently running 10.7.5 on my macbook. I tried downloading Mountain Lion application...but it says 'error'',,,is there another way to upgrade my OS?

    I am currently running 10.7.5 on my macbook. I tried downloading Mountain Lion application...but it says 'error'',,,is there another way to upgrade my OS?

    First we need to know which one of the 9 different models of MacBook you have. To see which model you have go to the Apple in the upper left corner and select About This Mac, then click on More Info (and then System Report if you’re running 10.7 Lion). When System Profiler comes up check the Model Identifier and post it back here.
    The Early 2006 model 1,1 Core Duo can only run a maximum of 10.6 Snow Leopard.
    The models Late 2006 Core 2 Duos 2,1 through Early 2008 4,1 can only run a maximum of 10.7 Lion.
    The Late 2008 model 5,1 Aluminum Unibody through the Mid 2010 White Unibody model 7,1 can run 10.8 Mountain Lion.

  • I was downloading Mountain Lion to My Mac Laptop, but then it stopped downloading and now it says there is an error! What should I do??

    So, I was downloading Mountian Lion to my mac.... It was taking a while but I thought possibly that was normal. When I checked back, Mountain Lion was gone, not even downloading anymore and I thought to myself, It couldn't be downloaded already. So I went to the app store and it now says an error has occured... I have no idea what to do now...... Can someone help please?

    Welcome to the Apple Support Communities
    Press Shift key on boot, open App Store and download Mountain Lion. If the error appears, contact with iTunes support > http://www.apple.com/support/mac/app-store/contact

  • When i'm downloading mountain lion and it gets 100% says that an error has occurred

    When i'm downloading mountain lion and it gets 100% says that an error has occurred

    Adrian Willis wrote:
    No, there is no ISP limit on my bandwidth.  I have  restarted my router but still no success.  I can download other Apps but with Mountain lion 10.8 it simply says waing in mission control and in the App Store it say "an error has occurred".  I have been working at this now for 3 days and it is very frustrating and I do not think the error is on my side but elsewhere.
    I would suggest to contact the Mac App Store Support Team. Make sure to note down the error message and the steps that you do that lead to the problem. Click the link below and select the "Contact Support" option in the sidebar, there you'll be able to appropiately select your options and possible support solutions including contacting the Mac App Store via e-mail.
    Mac App Store Support
    Best of luck!

  • HT202159 Whilst downloading mountain lion - I get in red "An error has occurred" and no ability to resume the download - amy ideas?

    I am trying to download mountain lion on to a mac pro but the message I get is just an error has occurred. any suggestions are very welcome.

    I was having this problem - I assumed it was the Apple server being overloaded, so I just kept retrying over the last couple of days.  All my apps were upto date, so was Software Update.  i tried logging out of the App Store, restarting and so on.  No joy.
    Anyway, eventually I did this, and it seems to have solved the problem.
    Sign out of the App Store (in the Store menu)
    Quit the App Store
    In Finder - Go>Go to folder...  (or Apple-shift-G)
    Paste in the following "~/Library/Caches/com.apple.appstore"
    It will take you to a folder.  Delete the whole folder and empty the trash.
    Launch the App Store.  Sign in and then reclick the Mountain Lion buy.  It won't charge you again.  It then started downloading.  I'm currently 5% downloaded - but I never got this far before.
    Hope this helps!

  • HT202159 while downloading mountain lion, a message appears " an error has occurred". Nothing happens when I press the resume button.

    while downloading mountain lion, a message appears " an error has occurred". Nothing happens when I press the resume button.

    Can you try to create a new User Account, and then pull the OS through there?
    Mac OS X 10.6: Creating a new user account
              http://support.apple.com/kb/PH6651

  • An error occurred while downloading Mountain Lion

    I recieved an error while downloading mountain lion and now it will not allow me to re-download? what do I do?

    Sometimes, this is due to your ISP, or other.
    I'll tell you what, let's try to manually change your DNS, and if that also fails, then we can go the Genius route. But since it's starting to really look network based, there's maybe 50/50 chance DNS works.
    Network Preferences -> Advanced -> DNS > DNS Servers
    Add these two entries:
    8.8.8.8
    8.8.4.4
    They are Google DNS servers.
    Remove everything else. Leave Domains as is.

  • An error occurred while downloading Mountain Lion OS

    An error occurred while downloading Mountain Lion OS and can't download it anymore. Please advise on how to resolve this problem. Thank you

    I have followed these steps :
    - Sign out of the App Store (in the Store menu)
    - Quit the App Store
    - In Finder - Go>Go to folder...  (or Apple-shift-G)
    - Paste in the following "~/Library/Caches/com.apple.appstore"
    - It will take you to a folder.  Delete the whole folder and empty the trash.
    - Launch the App Store.  Sign in and then reclick the Mountain Lion buy.  It won't charge you again.
    Then I restart my system in safe mode. And downlad installer again
    This time it is installed. And I am really happy

  • "An error has occurred" downloading Mountain Lion. What should I do now ?

    "An error has occurred" downloading Mountain Lion.
    I accidentally closed the application app during download of Mountain Lion and now it shows "An error has occurred"
    In the application app there is a grey button next to the error message, if I click on it nothing happens
    Mountain Lion is showing in Launchpad as waiting, if I click on it, nothing happens
    What should I do now ?

    Launch the App Store.
    From the App Store menu bar (top of your screen) click Check for Unfinished Downloads
    If that doesnt help, try here >   Mac App Store: How to resume interrupted downloads

  • Getting an error while downloading mountain lion

    just downloaded mountain lion and it states "an error has occured" what do it do?

    Disable anti virus software and try turning off the Firewall in System Preferences > Security & Privacy > Firewall.

  • Hash mismatching error while downloading mountain lion

    i got a has mismatching error when downloading mountain lion in app store, any way to fix it?

    Try downloading it in safe mode. Hold the Shift key while your Mac is starting to start into safe mode, and then, open App Store > Purchases, and download Mountain Lion.
    If it doesn't work, contact with App Store support > http://www.apple.com/support/icloud/contact

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