“The Java 7u21 release introduces changes to security messages related to running Java applets and applications,” Oracle said in a technical document that explains the changes.

Rob Griffiths explains how to disable Java in many popular OS X browsers, to protect yourself from the recently-revealed Java applet security hole.

This problem is trying to run Java programs and applets with 64-bit compatibility enabled. The fix is to force the application to run in 32-bit mode; so unless you need 64-bit capability with your ...