When you trying to access a Java applets in Safari browser on Mac you might notice the following error “Application Blocked by Security Settings” – Your security settings have blocked an untrusted application from running.
Listed below are the steps to resolve this issue.
Step 1: Access System Preferences on your Mac.
Step 2: Select Java under System Preferences.
Step 3: Then open the Java Control Panel
Step 4: Navigate to Security and click Edit Site List
Step 5: In the Exception Site List, click Add button to enter the website url which contain the applet.
Click OK button to close the Exception Site List window.
Step 6: Click Continue in the Security Warning – HTTP Location dialog box.
Step 7: Then click OK button in the Java Control Panel to close the window.
Step 8: Launch Safari browser and access the Java Applet URL (If Safari browser is already open then close and re-open it).