I found some files on the computer is lost, today with my colleagues Liu in the chat when I gave Liu told my computer files are missing things, Liu listened to my story telling me that she is the top of the computer file is always lost, said she is a friend she recommended to install the threat defense computer that would not have lost things, said she is now after the installation of threat defense to the computer does not appear lost, that is let me try, listen to Liu talk about things I said I look back to the Internet at a computer installation she said that a good software to try, if I put my two computer all install threat defense.