Norton has recently released the latest build 18.104.22.168 for the beta version of Norton AntiVirus 2012 and Norton Internet Security 2012. With the announcement from Norton, they have posted build 22.214.171.124 which is currently available for public download. In order to download them, simply browse Norton Beta Center and select both antivirus software or you can simply click link at the end of this post.
Please note, before installing the latest beta build you need to make sure that you have already uninstalled the previous build. After successfully installing them, you will be required to complete the registration form so that you can get new 14-day Beta Subscription Activation Key.
The Public Beta build may use remaining subscription days from the previous installation. If that is the case, please use the remaining subscription before renewing it. This latest build had addressed all issues that were reported and has included all fixes.
You can checker whether you have already had the latest build by opening up the Norton interface > Support > About and it should read 126.96.36.199.
If you come across any bugs or any idea that could improve the upcoming Norton Antivirus 2012 and Norton Internet Security 2012, you can do so through Norton Beta official forum.