[Solve] App can’t be opened because Apple cannot check it for malicious software

App can’t be opened because Apple cannot check it for malicious software It is an inconvenience for many macos users. In this tutorial you will learn what you can do when you meet this limitation.

As I said in other items, Catalina macOS It strengthens a lot the security system of the operating system macOS. This comes with a series of restrictions and headaches for users. At least in the front mum, when we talk about Bone in beta version And when the applications have not yet been optimized for the new rules.

By default, macos cannot be installed and can only run Downloaded applications from App Store or applications from identified developers (identified developers).
On Macos Catalina Beta, I had the surprise to download WhatsApp from the App Store, and when I tried to run it it appeared to me that the application could not run, because Apple can't check it on malware software.

“ID.desktop.WhatsApp.?” can’t be opened because Apple cannot check it for malicious software.
This software needs to pe updated. Contact the developer for more information“. App can’t be opened.

We know that Macos Catalina will bring you with the launch and Removing support for 32-biti applications, but this is not the moment for the WhatsApp Desktop application. Remember, however, that if you run applications with 32-bits architecture on which your work depends on Mac, it is a good idea to stay at Macos Mojave until the development will launch the versions for 64-bits.

How to solve security limitation App can’t be opened Pe MacOS?

In order to solve this limitation "app can be opened Because Apple Cannot check it for Malicious Software" which prevents the opening of an application on Macos Catalina, you must consider some aspects.

First of all, this step is indicated unless you download and install dubious applications on Mac. Avoid accessing sites that can endanger your data safety.

This limitation of launching an application “app an’t be opened because Apple cannot check it for malicious software“ can be avoided if We allow to download and run the applications from third -party sources, other than the App Store and from developers identified by Apple.
Restrictions are found in System Preferences → Security & Privacy, sub “Allow apps downloaded from:“. “App Store“ and “App Store and identified developers“. In order to change these settings, it is necessary to click the lock from the bottom left of the panel and enter the password of the system user.

As can be seen in the image above, nothing appears to check that we allow the installation from third parties. The activation of this option is done through a command line executed in the terminal.

  sudo spctl --master-disable

After executing the command line, we reopen System Preferences and observe the new option: Anywhere.

Note that from this moment you are on the "own account". The applications discharged and installed on the system will no longer be filtered by Apple.
The good part is that you will be able to run applications like WhatsApp and others, without meeting the message: “app can‘t be opened because Apple cannot check it for malicious software”.

Return to initial settings is done all of Terminal, executing the command line:

  sudo spctl --master-enable 

After reactivation, applications that cannot be checked by malware will no longer be able to run Macos again.