load rom errorcode = -4 help!

Ok, so I have a TTDS card and have been trying to play Kingdom Hearts recoded and Pokémon Black, but every time I try to load the game I get an errorcode message. I understand that this is a very common problem but I do not understand how to fix it even though I have tried watching youtube videos and reading other forum posts.Can anyone explain to me how to fix this problem without using super technical terms? I have RetroGameFan Multi Cart Update v7.00b2 already downloaded onto my computer but I'm not sure which files (if any) I need to transfer to my ttds card!I'm so lost I would greatly appreciate the help!

Since I'm not on my pc at this moment. I'd suggest you open RGF's package and read his compatibility text document to know which you need to use. It'd be either TTMenu for ttds or YSmenu for ttds. You'll need to follow his instruction on how to properly install it.