How to Fix the issue that App Can't be Opened on macOS Catalina


We received some feedback from our Mac users: when they open iTunes Converter installer package, they will find a pop-up window displays the app can't be opened because Apple cannot check it for malicious software. click "OK" button and the application will close.

Apple's new update for the macOS Catalina adds several security features to OS. One major change is the 'Notarization Requirement for Mac Software', which is now requiring that all software be submitted to them to be "notarized", indicating that they have checked it for malicous activity.

If you are opening iTunes Converter without notarization, you will get this prompt. How to fix it?

the app can't be opened because Apple cannot check it for malicious software

How to open an app that hasn't been notarized or is from an unidentified developer

In macOS Catalina and macOS Mojave, when an app fails to install because it hasn't been notarized or is from an unidentified developer, it will appear in System Preferences - Security & Privacy, under the General tab. Click Open Anyway to confirm your intent to open or install the app.

macos catalina system preferences

The warning prompt reappears, and you can click Open.

macos catalina alert

The app is now saved as an exception to your security settings, and you can open it in the future by double-clicking it, just as you can any authorized app.

How to Run iTunes Converter on macOS Catalina

Our program is safe to use, so you can run iTunes Converter that isn't notarized. When you start to run software just click the "Show in Finder" button, then right-click (or hold control while you click) the app or installer in question and choose "Open". Now you can input your admin name and password to open the iTunes Converter.

Open app in the application

If you have any other problems, suggestions and requests for information, please feel free to contact us via [email protected].


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