i cant play the game i download

pls help. i downloaded grand theft auto chinatown but cant play. it says need to take the memory card out and restart the ds.can any1 help?is it because of the version of my ds? as i last updated on 2007.

Try updating it first with the latest firmware
http://www.linfoxdomain.com/nintendo/ds/And GTA has had trouble you know, read this thread if the update doesn't work:
https://www.romulation.org/forum/index.php?topic=14970.0

i downloaded CycloDS Evo firm ware, ds link, r4 v1.18 but still cant work.
help ..

You need to download the firmware for your card, not the firmware for any other card.

https://www.romulation.org/forum/index.php?topic=1462.0