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Snow Leopard bug crippling Installer?

updated 11:50 am EDT, Fri September 11, 2009

Sabotages further app installations

Mac OS X Snow Leopard is preventing some users from installing any further software, posts on Apple's support forums indicate. After upgrading to the OS, users may find that Installer is incapable of completing any kind of installation, whether in terms of first- or third-party programs. Because of Installer's deep integration into Snow Leopard, it is even preventing minor upgrades of existing applications, such as Aperture.

The source of the problem is unknown. It may only affect users upgrading from Leopard however, as at least one user reports that a clean installation of Snow Leopard causes no conflicts. The issue also appears to be independent of hardware, affecting several models of Mac. Apple has yet to comment on complaints or offer a solution.

by MacNN Staff



  1. nrgsoft

    Joined: Dec 1969


    signed installers

    We have found that Snow Leopard seems to have an issue running "signed" installers.

  1. ZinkDifferent

    Joined: Dec 1969


    Taking a stab

    I'm going to assume that a certain percentage of those having these issues probably moved their applications around, into different organizations than how Apple presents them.

    I've seen this happen more than I care for.

  1. Flying Meat

    Joined: Dec 1969


    Not seeing this problem

    on the 3 machines I've upgraded.

  1. blue80907

    Joined: Dec 1969


    Read the forums

    A solution has been offered that is working for most people. There are several treads, try the one below. Do your homework before you hit the post button. It took me only 3 minutes to find this solution.

  1. galley

    Joined: Dec 1969


    Not seeing that here.

    I upgraded from the latest version of Leopard. Software Update handled 10.6.1 and iTunes 9, for example, without trouble.

    I have noticed, however, that every time I log in as a non-admin user, I get requests for my admin ID and password for a couple of different installers (though nothing is being installed at the time, AFAIK).

  1. Snee

    Joined: Dec 1969


    Definitely a bug

    I couldn't install iTunes9 or iStat Menus 2. The problem is with input sources in the System Preferences. I posted about it at thriftmac.

  1. herojig

    Joined: Dec 1969


    Did see something related here...

    I noticed that on one machine (out of 6 upgraded) that dmg files would not open in 10.6.1 using diskmounter, so i just use Disk Utility to do that now. I can see where this would give the perception that things won't install;)

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