Allowing unsigned/un-notarized applications/plugins in Mac OS

by Adam

Apple’s official help page.

Mac OSX Gatekeeper protects its users from installing untrusted software. Since Venn Audio products are not verified by Apple at this time, here’s a short guide to getting them working.

Mojave/High Sierra

Depending on your settings, you may see a message, “the developer cannot be verified”. If you receive this message, try to follow these steps:

  • Go into System Preferences → Security and Privacy.
  • On the first tab, when an unsigned application is blocked from loading, there is an ‘Open anyway’ box which appears there.
  • Click it!

Catalina/Big Sur

Catalina ramped up the security requirements and not only requires the developers to be verified, but the software to be notarized (scanned for malware). It also has a more complicated process to allow unverified software.

The following are instructions adapted from the good people at LoudMax.

  • Open Terminal.
  • Disable Gatekeeper: type in sudo spctl --master-disable
  • Enter your password when prompted. (You must be an admin user on the computer.)
  • Go to System Preferences → Security and Privacy → General → Allow apps downloaded from.
  • Select ‘Anywhere’.
  • Install and run your Venn Audio plugin. (You may need to restart the computer before.)
  • Re-enable Gatekeeper:sudo spctl --master-enable
  • Again, enter your password if prompted.

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