Mac OSX Catalina: can’t be opened because Apple cannot check for malicious software

【Mac OSX Catalina: can’t be opened because Apple cannot check for malicious software】采得百花成蜜后，为谁辛苦为谁甜。这篇文章主要讲述Mac OSX Catalina: can’t be opened because Apple cannot check for malicious software相关的知识，希望能为你提供帮助。
Mac OSX Catalina: can’t be opened because Apple cannot check for malicious software
macOS cannot verify that this app is free from malware.
Solution:

check with Security& Privacy settings under System Preferences to lift the Gatekeeper blocks, and fix alert messages.
when you are using Catalina, the warning message reappears every time you open the non-notarized app
open Terminal and run the cmd below