Home System Tutorial MAC How to fix 'macOS cannot verify that this app is free from malware” issue

How to fix 'macOS cannot verify that this app is free from malware” issue

Apr 06, 2025 am 10:32 AM

macOS security warning "macOS cannot verify this app has no malware" solution

Receiving a message that "macOS cannot verify that this app has no malware" means that Gatekeeper does not trust the software and blocks it. However, if you are sure that the software is safe, here are some ways to bypass Mac security blocking. These methods have been tested repeatedly and I use them frequently when testing different apps.

What to do if Mac cannot verify that the app does not have malware?

CleanMyMac lets you know if the App is infected or if your Mac is overly protected. Available on Setapp. Free trial security test

Why can't some Mac apps be opened or verified?

Malware refers to any malicious program designed to damage computer systems and endanger users' privacy and security. Gatekeeper validates the downloaded app before it is allowed to run, reducing the possibility of accidentally introducing viruses into the system.

Because Apple's authorization process is very strict, many legal apps are difficult to pass. Although Gatekeeper is the key to ensuring a safe and reliable user experience, it can sometimes cause inconvenience when it prevents you from opening an app you know is safe.

You may notice two main issues:

  1. "macOS cannot verify that this app has no malware." If you try to open an app on your Mac and the system displays this error message, it means that the Apple Store is not authorized by the app and it may be unsafe to use it.
  2. "Unable to open because the developer cannot be verified." Since macOS only allows users to install apps from Apple's verified developers, if the developer is not registered with Apple, you will be blocked from installing the program.

If the program was created before the introduction of the Gatekeeper developer ID registration, Macs often cannot verify that the app has no malware, and now this is a necessary condition for the app to obtain Apple authorization.

Is it safe to open an app that cannot be verified by macOS?

The app goes through a multi-step process to prove to Apple that its software does not have any suspicious code. The app that ends up on the App Store has been notarized and can be used.

If you encounter a warning that "macOS cannot verify that this app has no malware" it means that the app is dangerous, or that a reliable developer has not undergone Apple's audit process.

Whether to open the app that triggers macOS Gatekeeper safely should be based on the specific circumstances. However, in general, it is best to avoid any software that cannot be verified by a Mac.

How to eliminate "Apple can't check for its malware"

While cybersecurity is now one of our basic needs, sometimes certain macOS features seem to be overly protected. If you know the app is safe, you can override the "macOS cannot verify this app has no malware" warning. The method is as follows:

  1. Go to System Settings ➙Privacy and Security.
  2. Scroll down to the Security section.
  3. Find "(App Name) Blocked from Opening because it is not from an identified developer" and click "Still Open".

How to fix

Perform these steps only if you are absolutely sure the app you want to open is secure. To avoid errors during this sensitive process, use CleanMyMac, a powerful app designed to clean, optimize and protect your Mac.

CleanMyMac provides real-time malware monitoring, which will immediately signal if any malware enters your device. The app's "protection" tool will neutralize potential virus threats and quickly remove them before they cause any damage. In addition to providing advanced protection, CleanMyMac can speed up your Mac by helping you clear large or unwanted files and uninstalling apps that you no longer use.

How to fix

What is the reason for the "Unable to Open because the Developer cannot be verified" error on Mac?

To create a safer environment for its users, Apple introduced a developer ID system and App review process to reduce the risk of virus infection with macOS.

Before any app enters the App Store, the program and creators will be reviewed and approved by Apple. So if you try to install an app from an unverified developer, or an app from a registered developer (but not audited), you will see the corresponding error message.

How to open an app from an unverified developer

Seeing error messages is often annoying and sometimes frustrating, but when it comes to security, there are never too many warnings. If your Mac signal indicates that the App cannot be opened because the developer cannot be verified, it can prevent you from potentially installing harmful elements or vulnerabilities.

If you are a regular user, it's hard to know if a software is truly safe, but there are some steps you can take to avoid downloading malware.

  • Check if the app comes from a reliable source .
  • Research and developer history .
  • Make sure that the software is known and trusted .
  • Research any reported questions about the product.

All of these steps sound good, but too time consuming? There is another way to determine if the app is safe, which is to turn to professionals.

As I already mentioned, CleanMyMac has a "protection" tool designed specifically for scanning for vulnerabilities in apps and quickly removing apps with harmful features. CleanMyMac uses regularly updated databases of known errors and viruses to thoroughly check your Mac, including apps from unverified developers.

Bypass security blocking as needed

Security is important, but sometimes protecting software may be too cautious. Now you know how to bypass Apple's security system when needed while keeping your Mac secure by using CleanMyMac to scan for malware regularly.

All the apps I mentioned are now available for free, and over 250 top-notch macOS and iOS apps to enhance your user experience. Start trying Setapp for 7 days and you will never regret it!

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