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Unable to open "Mac OS X Install Data" Folder

3003 Views 27 Replies Latest reply: Feb 22, 2012 1:17 PM by noondaywitch RSS
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bartonfive Level 1 Level 1 (0 points)
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Feb 16, 2012 4:18 PM

When I attempt to open the folder "Mac OS X Install Data" I get a pop up window that says it "can't be opened because you don't have permission to see its contents".  I bought my iMac used and did not install the OS but I am the administrator.  Is this a folder I should be able to open as administrator?  Thanks.

iMac, Mac OS X (10.6.8)
  • noondaywitch Level 6 Level 6 (8,130 points)
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    Feb 16, 2012 5:00 PM (in response to bartonfive)

    What location is it in? I don't seem to have such a folder.

  • HACKINT0SH Level 5 Level 5 (5,750 points)
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    Feb 16, 2012 5:36 PM (in response to noondaywitch)

    I'm curious to know where this folder is as well.

     

    Try to run File Permissions from the Disc Utility in the meantime.

  • X423424X Level 6 Level 6 (14,190 points)
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    Feb 16, 2012 11:23 PM (in response to bartonfive)

    bartonfive wrote:

     

    When I attempt to open the folder "Mac OS X Install Data" I get a pop up window that says it "can't be opened because you don't have permission to see its contents".  I bought my iMac used and did not install the OS but I am the administrator.  Is this a folder I should be able to open as administrator?  Thanks.

     

    I am guessing no.  But you you could open it if logged in as root (root has more privilege than admin).

     

    I am not sure why you are even seeing that file.  I believe it is used to hold installer data while doing an installation.  It is not used once the installation is completed and you boot from that installation.  I would have expected the installer to delete it at the end of installation unless the installation terminated prematurely.

     

    FYI, here's some info about root user. Do not enable root unless you know exactly what you are doing.

  • noondaywitch Level 6 Level 6 (8,130 points)
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    Feb 17, 2012 4:17 AM (in response to X423424X)

    X423424X wrote:

    I am not sure why you are even seeing that file.  I believe it is used to hold installer data while doing an installation.  It is not used once the installation is completed and you boot from that installation.  I would have expected the installer to delete it at the end of installation unless the installation terminated prematurely.

     

    I believe you have it - that rings a very loud bell. The data should be moved to its correct locations during the restart and the folder deleted before the log-in appears.

  • X423424X Level 6 Level 6 (14,190 points)
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    Feb 17, 2012 12:07 PM (in response to bartonfive)

    If you think it is not inconvenient to reinstall, then it is probably the easiest thing to do, if for no other reason other than to reassure yourself the installation went to completion.

  • noondaywitch Level 6 Level 6 (8,130 points)
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    Feb 17, 2012 3:19 PM (in response to bartonfive)

    Just a caveat; you may need to erase the volume using Disk Utility from the install disc, as the presence of that folder may cause the installer to abort.

  • noondaywitch Level 6 Level 6 (8,130 points)
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    Feb 17, 2012 4:20 PM (in response to bartonfive)

    Serious overkill! For security, one pass is more than sufficient. However, don't interupt it now.

  • HACKINT0SH Level 5 Level 5 (5,750 points)
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    Feb 18, 2012 8:30 PM (in response to bartonfive)

    Re-do the erase and try again, but stop doing that silly & over-rated multi-pass.

  • noondaywitch Level 6 Level 6 (8,130 points)
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    Feb 19, 2012 3:43 AM (in response to bartonfive)

    Right.

    First, some more information needed;

    The discs you received with the Mac were for 10.6.2 - build no. (on the disc) 10C2234?

    If so, that would make it a late 2009 model - does that sound right?

     

    If you're not sure, there should be a couple of numbers on the base of the stand, one beginning 'EMC' and another beginning with A and 4 digits. There may also (or instead) be an order no.; something like MB123LL/A.

    Tell us as many of those that are there.

     

    All this is to establish that the install discs are the right ones, before we try again.

     

    Assuming they are the right discs, boot from the installer disc again and go to Disk Utility.

    This time, select the physical drive (the one with the maker's name and disc size, above the volume).

     

    Run Repair Disk. If that comes up as disk OK, click the partition tab. Select the partiton from the drop-down above the graphic; 1 partiton is all you need. Go to the options button and ensure that the partition scheme is GUID and the file system to Mac OS Extended (Journalled). Name the partiton (usually Macintosh HD), click Apply.

     

    When that's finished, select the new volume in the sidebar (indented to the right below the drive) and go to the Erase tab. Click erase (do not use security options).

     

    When that's completed, close DU and continue with the installation.

     

     

    Afterthought - which item did you have selected when you did the zero erase? The volume Macintosh HD or the top item which is the physical drive?

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