“Not signed by Apple”

Discussion in 'Mac Apps and Mac App Store' started by exegete77, Nov 6, 2013.

  1. exegete77 macrumors 6502a

    Feb 12, 2008
    I have notices in App Store that four application updates are available. But when I click to update each one I get a notice: “Failed to verify the preflight file. Not signed by Apple.”

    So what’s the story? Apple has updates on its own store, but has not signed the preflight file?So much for better update process and access.
  2. exegete77 thread starter macrumors 6502a

    Feb 12, 2008
    Found this solution:

    Launch Keychain Access, go to the preferences, click on the 'Certificates' tab, and make sure both of the options are set to 'Off' and not 'Best attempt' or 'Require if certificate indicates'.

    Turning these off, I was able to download updates with no problems.

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