Have problems using Catalina OS



Try the following steps:​​


1.- To bypass this, open System Preferences and click Security & Privacy.

2.- In the “General” Tab click next to “mac.xpl” was blocked from use because it is not from am identifier developer. Click  “Allow Anyway”. (See picture)



3.- Next time you open the aircraft you will received a message “macOS cannot verify the developer of “Mac.xpl”. Are you sure you want to open it?. Click on Open. (See picture)



It should not ask again for permission.


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