How to open an app that hasn't been notarized or is from an unidentified developer If you are opening iTunes Converter without notarization, you will get this prompt. 'notarized', indicating that they have checked it for malicous activity. One major change is the 'Notarization Requirement for Mac Software', which is now requiring that all software be submitted to them to be
They will find a pop-up window displays the app can't be opened because Apple cannot check it for malicious software.Ĭlick ' OK' button and the application will close.Īpple's new update for the macOS Catalina adds several security features to OS. We received some feedback from our Mac users: when they open iTunes Converter installer package,