When done, restart Adobe Acrobat Reader and your preferences will be reset to the original. It will clear all the custom settings for Collaboration, JavaScript, Security, Stamps, Color Management ...

Adobe's challenges are two-fold going forward. First off, administrators don't necessarily want to disable JavaScript in an environment where the Web is prominent.

Users should disable JavaScript in Adobe’s Reader and Acrobat tools to protect themselves until a patch for a just-disclosed vulnerability is available, security experts said today.