There has been a change in the Java security settings, see:
See also:
"What should I do when I see a security prompt from Java?":
If you visit a website regularly then a possible workaround is to add the URL to the Java Exceptions Site List, see:
"Why are Java applications blocked by your security settings?":
"How can I configure the Exception Site List?":
There has been a change in the Java security settings, see:
* http://kb.mozillazine.org/Java#Java_security_prompts
See also:
"What should I do when I see a security prompt from Java?":
* http://www.java.com/en/download/help/appsecuritydialogs.xml
If you visit a website regularly then a possible workaround is to add the URL to the Java Exceptions Site List, see:
"Why are Java applications blocked by your security settings?":
* http://www.java.com/en/download/help/java_blocked.xml
"How can I configure the Exception Site List?":
* http://www.java.com/en/download/faq/exception_sitelist.xml