notgoodatanything , you might want to firstly format your player using MP3 Utilities Disk Tools, the guide is here
http://www.mympxplayer.org/how-to-re...ck-vt2400.html
For the AMV Convert Tool, you can just output the newly converted files to anywhere on your pc. Once it has been converted, just copy and paste the files into your player's drive. The player would be able to pick up the video files that you copied in.