No game will load in R4 :(

Ok, erm i have not touch my DS for about 3months.. so, now when i use my DS to play my previous game, it will still load properly and is able to play.However, when i recently download all the new games and place them into my R4(after extraction), they simplily does not laod.. they just show me a me a message "unable to load game, please restart or reinert the game card".Even when im using the emulator in my computer, it will also not load..

Please read the Common Issues thread.
https://www.romulation.org/forum/index.php?topic=1462.0

yep.. did that, but it does not work... but i found the way out... which is by using the code :020CAE48 E3A00000
020CAE4C E12FFF1E
020CB1B0 E3A00000
020CB1B4 E12FFF1Ebut i managed to play it on my NDS... however, how come the no$GBA does not work...>.< i tried to patch the game, used the code under the cheats, but somehow it does not load.. any help??but by using iDeas emulator, it can play... >.< how come...but will not load my saved data that is from NDS

You have failed to mention what game you are trying to run. I highly doubt that Action Replay code works on ALL games, so I'm assuming you are having a specific problem with one game, not every game like you said earlier?

Memory addresses differ in each game, so it would be likely to cause crashing.

erm.. sorry for not mentioning the game... was too engross into writing... erm the game im playing is "Final Fantasy Crystal Chronicles: echos of time".Just found out that i have not downloaded the patched version for no$gba. that's why i cannot play FFCC:EOT. now it works. thanks for helping ^^