Misc Problem with NDS Backup

[gsgomes]

I have a DSi and i try backup a Pokemon Platinum for my PC. i follow this tutorial http://gbatemp.net/threads/tutorial-nds-backup-tool-wifi.252623/

But always i chance flashcard says "The card of slot-1 cannon be recognized. Please pull out once, and set itagain."

i press ok and this message repeat all time, i try with original cartridge and says same thing