The “Cannot Be Opened Because The Developer Cannot Be Verified” Error is part of that security layer that only lets you install the apps only from the App store or some verified developer.  This can be a problem if you want to run your own native Mac application that hasn’t been verified by Apple. There are also apps that are trustworthy but are not registered in Mac’s app libraries and, therefore, cannot be used. Thus, today, we will recommend some methods for running those applications that you were previously unable to run due to the Developer Cannot Be Verified error.

Reasons for “Cannot Be Opened Because The Developer Cannot Be Verified” Error

Ways to Fix “Cannot Be Opened Because The Developer Cannot Be Verified” Error

It is always recommended that you download the apps from the Mac App store or other reliable sources. The apps on the Mac store can be easily installed and run without encountering the“Cannot be Opened Because the Developer Cannot Be Verified” error. You might be able to find an alternative app, if not the exact one, from the store. These apps are certified by Apple and are safe to use, unlike the applications with no trusted source.  If you can’t find a relevant app in the store, use these methods to get the unverified app working and get rid of the error.

Allow the App from Settings

Mac OS, by default, sets the access privilege for the application downloaded only from the App Store and certified developers. If you are not able to run any application because of its source, You can force allow it from the Mac settings. 

Using Mac’s Terminal

The method we just discussed was a quick fix to get around Mac OS’s security check. While installing another unverified app, the operating system will again restrict you, forcing you to repeat the previous process.  To avoid this hassle, you can use this method to fix the problem permanently and run any application without the Mac OS checking its source.

Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 39Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 27Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 50Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 8Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 19Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 32


title: “Fix Cannot Be Opened Because The Developer Cannot Be Verified Error” ShowToc: true date: “2022-10-30” author: “Cheryl Fischer”


The “Cannot Be Opened Because The Developer Cannot Be Verified” Error is part of that security layer that only lets you install the apps only from the App store or some verified developer.  This can be a problem if you want to run your own native Mac application that hasn’t been verified by Apple. There are also apps that are trustworthy but are not registered in Mac’s app libraries and, therefore, cannot be used. Thus, today, we will recommend some methods for running those applications that you were previously unable to run due to the Developer Cannot Be Verified error.

Reasons for “Cannot Be Opened Because The Developer Cannot Be Verified” Error

Ways to Fix “Cannot Be Opened Because The Developer Cannot Be Verified” Error

It is always recommended that you download the apps from the Mac App store or other reliable sources. The apps on the Mac store can be easily installed and run without encountering the“Cannot be Opened Because the Developer Cannot Be Verified” error. You might be able to find an alternative app, if not the exact one, from the store. These apps are certified by Apple and are safe to use, unlike the applications with no trusted source.  If you can’t find a relevant app in the store, use these methods to get the unverified app working and get rid of the error.

Allow the App from Settings

Mac OS, by default, sets the access privilege for the application downloaded only from the App Store and certified developers. If you are not able to run any application because of its source, You can force allow it from the Mac settings. 

Using Mac’s Terminal

The method we just discussed was a quick fix to get around Mac OS’s security check. While installing another unverified app, the operating system will again restrict you, forcing you to repeat the previous process.  To avoid this hassle, you can use this method to fix the problem permanently and run any application without the Mac OS checking its source.

Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 75Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 55Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 37Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 87Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 74Fix   Cannot Be Opened Because The Developer Cannot Be Verified  Error - 17