Starting with Java Version 7 Update 45 security enhancements for execution of Java applications were added. This page describes variations of the dialog for Java applications with a certificate from a trusted authority.

Security Dialog for missing permission attribute in the JAR file

The notice in the dialog is presented because the publisher has not set the permissions attribute in the JAR file.

• Dialog title: Application Blocked or Java Application Blocked (Java 8)
• Message title: Application Blocked by Security Settings or Application Blocked by Java Security (Java 8)
• Message: Your security settings have blocked an application from running due to missing a 'Permissions' manifest attribute in the main jar
  For security, applications must now meet the requirements for the High or Very High security settings, or be part of the Exception Site List, to be allowed to run. (8u20 and above)

Java 8u20 and later versions

Java 7u71 and later 7 versions

• As an end user you may choose to notify the publisher that you are seeing this notice while running the application.
• It is highly recommended not to run this type of application. However if you understand the risk and still want to run the application, you can add the URL of this application to Exception Site List which is located under the Security tab of the Java Control Panel. On successfully adding this application URL to this list will allow it to run after presenting some security warnings.
  » How to manage and configure Exception Site List?

Security Dialog with missing application name

• The application is not displaying Application name.

• Only run this application if you trust the publisher and the website location information displayed in this dialog.

Security Dialog displaying multiple locations

• The Application displaying multiple locations.

• Only run this application if you trust the publisher and each of the locations.