How To Resolve The Installation Failed Error When Install VirtualBox On Mac

When I install VirtualBox on macOS, I meet an error message like this The installation failed. The installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance. I struggled for some time and finally find the solution to fix it. Now let me tell you.

1. How To Enable VirtualBox To Be Installed On macOS.

  1. To fix this issue is not hard, you just need to follow the below steps.
  2. Click the Apple menu (  ) at the top left menu bar.
  3. Then click the System Preferences menu item in the popup menu lists.
  4. Click Security & Privacy icon, then click the General tab.
  5. You can see there is a message ( System software from developer “Oracle America, Inc.” was blocked from loading ) is displayed at the bottom of the window.
  6. Click the Allow button to make the message disappear, now install the VirtualBox again, it will be successful.
    macos-system-preferences-security-privacy-general-allow-oracle-inc-software-virtualbox-

2. Install MacOS Application From Both App Store & Identified Developers.

  1. By default, your macOS only allow installing macOS app from App Store.
  2. But you have the choice to install the macOS app from identified developers, please follow the below steps.
  3. Open Security & Privacy window as described in section 1.
  4. Click the little lock icon at the window bottom-left corner to unlock the settings, you need to provide the administrator password.
  5. Select App Store and identified developers radio button in the section Allow apps downloaded from.
  6. Click the little lock to save the changes.
  7. Now you can install macOS apps downloaded from both App Store & identified developers.

References

  1. How To Install Programs From Unidentified Developers In Mac OS
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reza
reza

I did alll but it fails to install again

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