How to Disable Gatekeeper in macOS High Sierra (add Special K for Sierra Utility) | GetinMac
Gatekeeper, first introduced in OS X Mountain Lion, is a Mac security feature which prevents the user from launching potentially harmful applications. In macOS Sierra, however, Apple made some important changes to Gatekeeper that seemingly limit the choices of power users. But don't worry, Gatekeeper can still be disabled in Sierra. Here's how. To resolute Gatekeeper issues on macOS Sierra and unlock images and programs ( annoying image/application is damaged messages pretending you cannot open things ). Disable Gatekeeper in macOS Sierra The Gatekeeper settings can be found in System Preferences > Security & Privacy > General. The Gatekeeper options are located beneath "All apps downloaded from:" with the choice of "Anywhere" missing. Thankfully, the "Anywhere" setting can be restored to Gatekeeper in Sierra with a Terminal command. First, quit System Preferences if it's open and then open a new Terminal window. Enter the following command, followed by your admin