Bear in mind, that many applications developed by unidentified programmers hide malware or other types of viruses, so by installing or launching these applications, your computer is at risk of infection. This situation is caused by a built-in tool called Gatekeeper, however, Apple also provide options to access these apps manually. An example is attempting to install or launch an application on a Mac computer that was developed by unidentified developer.ĭue to a built-in security tool that checks the identity of application developers, installation or launch of this type of software becomes impossible - an error message appears stating that the application cannot be opened because it is from an unidentified developer. This high level of protection might also impose some restrictions. This is one of the main advantages of these products as compared to other operating systems or manufacturers. Encountering error message stating application can't be opened because it is from an unidentified developer, how to fix?Īpple products, such as Mac computers and mobile devices (iPhones, iPads, etc.), are generally known to be secure and stable devices.