v4.0 [Sep 14, 2010]
-Changed the software architecture, moved the program files from the USB drive to computer
- Add program tray icon display
-long files and path support
-Real time backup functionality available
- Portable edition available
-Add Disable the program auto runs when plug in the USB device
- Add Disk insert prompt for desktop icon
-Add the Disable Deleted file protection functionality
-Extended download service
