If you want to keep backups of your music files, it's best to just back up your songs before sending them to the player in the first place (or just leave them on your PC's hard disk).

There is no need to back up the player software, since it is completely re-written from scratch with each upgrade file.

If you want to copy the songs back onto the PC from the player, right-click on any playlist in Emplode and select "Download" (requires version 2.0 software).