Problem:
After upgrading to macOS Catalina, some mac users found that some apps can’t be opened because Apple cannot check it for malicious software. A dialog box pops up, click "OK" button and the application will close.
Solution: Make sure you have dragged the installer package to /Applications to complete the installation. Our users have found that dragging the package into the Applications folder works best. This package appears after the installer .dmg file is