With all due respect, please make available a standalone installer for of 4.1 for Snow Leopard. I have yet to install NIS Dual Protection because I have been hoping for an updated version to be made available as a download. Definitions are available as standalone updates. It seems that the Full Installer of the new version could be compressed and made available as a DMG file or Zip or something. Alternatively, is it be possible for me to exchange my product with Symantec for the updated version since I can not return it to the retailer? I'm not concerned about the Windows version. I have never installed it or activated it, and still have my one year subscription waiting to be used. Please make a DMG standalone updater or something - thank you in advance. I am a loyal Norton costumer - and have been since Norton was born.