Back to support hub
    Installation 117 views

    Mac error is "You cannot open this program because it is from an unknown developer."

    Apple Mac error is "You cannot open this program because it is from an unknown developer." A hyper-sensitive security measure within your mac OS settings. The work around for the above issue from Apple is to go to the Re

    Apple Mac error is "You cannot open this program because it is from an unknown developer."

    A hyper-sensitive security measure within your mac OS settings.

    The work around for the above issue from Apple is to go to the Real Book Software folder in Applications through the Finder (not Launchpad) and hold the Control key while clicking on it to open it. It will then ask if you wish to open it even though it is not "trusted." If you just click open, everything seems to open fine.
    Was this article helpful?