We've downloaded Minecraft for our son and when we try running it we get the "Open File - Security Warning" many people have mentioned in previous threads, which states "The publisher could not be verified. Are you sure you want to run this software?" We've also tried playing it online and received the Security Warning "Do you want to run this application?....This application will run with unrestricted access which may put your computer and personal information at risk. Run this application only if you trust the publisher." Is anyone able to tell us why the Publisher is unknown and if we are safe to run the application, please? Considering the above, we do not feel it could possibly be safe as the Publisher is unknown; however, so many people seem to be running it, we are wondering if we are worrying unnecessarily. Some advice would be appreciated.