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Why is Aperture "loading" long time when browsing images?

395 Views 6 Replies Latest reply: Aug 19, 2013 7:09 PM by Frank Caggiano RSS
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Aug 18, 2013 1:48 AM



I have a problem that Aperture gradually runs slower and slower until it's unbearable to use. I then restart and it is ok again. The lag/delay occurs when browsing between images (skipping from one to another), but only after 15 or 20 minutes of use. Doing the same thing with the same library in iPhoto is much faster.


I have the latest SSD iMac with 24 gigs of RAM so surely this problem is not due to lack in hardware performance. I have tried to rebuild the library and repair permissions, but nothing seems to help.


Any ideas or recommendations are most welcome! Thank you.

iMac (27-inch, Late 2012), iOS 6.1.4
  • léonie Level 8 Level 8 (46,510 points)

    What is your Aperture version? And your MacOS X version?


    • Does the same happen, when working with a different Aperture library?
    • is your library on your system drive or on an external drive?


    Does the Activity window in Aperture show any unusual activities going on?  (Windows > Show Activity)?

    And do you seeerror messages that may be related to Aperture in the Console window? YOu can launch the from the Utilities folder in the Applications folder.




  • Frank Caggiano Level 7 Level 7 (22,830 points)

    Is the SSD part of a fusion drive or is it purely an SSD?


    If it is a fusion setup what size  is it? If it is only an SSD what size is the SSD?


    How much free space is there on the root drive? Finally have you done any modifications to the standard OS X setup of the SSD or Fusion drive?

  • Frank Caggiano Level 7 Level 7 (22,830 points)

    Searching around it appears that a number of users have reported this same type of error, CGXDisableUpdate:, on a variety of applications not just Aperture.


    Most of the users seems to have gotten satisfaction when they updated to 10.8.4 but that is the version you say you are running, so …


    There is a program written by one of the frequent contributor to ASC called EtreCheck which will printout a complete list of settings within the system. It is safe and I recommend you run it and post the results here. This way we can see if there is something that might be contributing to your problem.


    What you might also want to try is to re-install OS X using the OS X Mountain Lion Update v10.8.4 (Combo) The OS X update normally run installs the changes from the last version and  usually is fine. The Combo update is the complete system not just the changes and in cases like this it can help fix problems.


    It installs like an ordinary update. Your user date will not be overwritten but as is always the case good working backups are recommended before doing any work on the system.



  • Frank Caggiano Level 7 Level 7 (22,830 points)

    Did you run this EtreCheck after you experienced the slow down in Apertture?  If not could you try the following:


    Boot your system to clear out the memory stats, run Aperture as normally do until you experience the slowdown to the point where you would restart (BTW is the restart of Aperture or the system?)


    Now before doing anything run EtreCheck and include the output here again. Also open Activity Monitor and select System Memory in the tabs at the bottom of the window and note the Swap used entry. Add the number shown there to the bottom of the report. I'm interested to see what the memory is doing when you experience the problem.


    As for the rest of what is shown, nothing to unusual. You have no kernal extensions, that's good..


    I am not familar with teamviewer or glimmerblocker. You might eant to disable those as a test to see f they are in some way affecting the system in this case.




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