macOS 10.15 Catalina and running unsigned viewers

Geir Nøklebye

World Builder
Staff member
Running unsigned applications on macOS 10.15 (Catalina) is becoming a bit more of a hassle than earlier as the system will show dire warning if the application is not properly signed.

As far as I can test on a completely pristine Catalina installation Dayturn will not throw up warnings about the application, but if it does on your system, I'd like to know about it in order to fix it.

Dayturn is signed with a proper Apple Developer ID and an application profile registered with Apple. It is not notarized as I don't have control over how all the libraries used in the viewer is signed.


Here are some examples of warnings the system might throw at you when installing a viewer that is not properly signed, or is unsigned.

In this case the SecondLife viewer is signed, but probably not built with a profile identifying the application.
The system offers you to locate the viewer in the Finder where you can right click on it and choose Open. The system will present another dialog box asking you to confirm before the viewer starts.


Catalina_SL_first_run.png

Here the Kokua viewer is unsigned and the system only offer you to trash the viewer.
To work around that, you can manually navigate to the Applications folder, find Kokua in this case, and right click on it and select Open. The system will present another dialog box asking you to confirm, and then the viewer should start.


Catalina_Kokua_first_run.png
 
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