macOS - App cannot be open (because the developer cannot be verified or because it was not downloaded from the App store.)

Issue:

macOS includes a technology called Gatekeeper that's designed to ensure that only trusted software runs on your Mac. After clicking on a download app users will receive one of the following errors. App cannot be open because the developer cannot be verified, App can't be open because it was not downloaded from the App store.

Environment:  

macOS Catalina

macOS Big Sur

Cause:  

macOS includes a technology called Gatekeeper that's designed to ensure that only trusted software runs on your Mac.

Resolution:

To correct this error implement the steps below:

  1. Open up System Preference.
  2. Click the General Tab
  3. Click  Open Any.
  4. Continue installation process

If the above steps are unsuccessful, please review How to Allow Apps from Anywhere on macOS Big Sur for correction methods.

Do you still need help?  Create a support ticket and a Service Desk technician will contact you. 

 

 

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Do you still need help?  Create a support ticket and a Service Desk technician will contact you. 

Details

Article ID: 131156
Created
Fri 4/2/21 8:00 AM
Modified
Thu 4/15/21 1:12 PM