Error Message: "*Product name*" is damaged and can't be opened. You should eject this disk image." (Mac)

Symptom

When installing a legacy Native Instruments download product on a macOS system, you receive the following error message:
"*Product name*" is damaged and can't be opened. You should eject this disk image."
Error_Message_Damaged.png

Cause

The above message is generated by the Gatekeeper security feature. In the default configuration, it will prevent the use of legacy Native Instruments installers.

Note: All of our current products are Apple-certified and the installer will run without any issues.

Solution

Please follow the below steps in order to install your Native Instruments legacy product:

  1. Open Applications > Utilities > Terminal.
  2. Enter the following command in the Terminal, followed by your admin password when prompted:

    sudo spctl --master-disable

  3. Go to your Mac's System Preferences... > Security & Privacy.
    System_Settings___Security___Privacy.png
  4. Click on the lock and enter your admin password. Select Anywhere under Allow apps downloaded from:
    Select_Anywhere.png
  5. Close the System Preferences and run the Installer that was causing the error message. At the beginning of the installation process, you will receive the following warning message. Click Continue to proceed.
    Continue_Anyway.png
  6. Once the installation is complete, go back to the Terminal utility and enter the following command, followed by your admin password when prompted:

    sudo spctl --master-enable

  7. Quit the Terminal. Your legacy NI product is now installed and your macOS security settings are restored back to their default state.