Windchill™ web pages use Java™ applets. Security restrictions in Java prevent using applets in unsigned contexts. Below are tips to work with Windchill applets.
It is recommended to install the latest and up to date version of Java Runtime Environment that is supported by PTC Windchill.
While attempting to use Windchill’s user interface to administer changes to its schema, before arriving at the Windchill Manage Global Attributes page, you may be challenged by Java’s different security settings. They may not appear in the same order as presented here depending on your configuration.
Figure: Windows dialog for Changing Java Security Exceptions