Every Game I Download Has An Error!!

WHAT AM I DOING WRONG?
About 6 months ago I downloaded a few games. I decided to download a few new ones but every game I download gives me an error. Can someone please tell me what I'm doing wrong?? Anyone willing to help me with a step by step??

What is the error ?

Errcode=-4

that error usually means your flashcart kernel is out of date. Update it or post here with the details of your flashcart (name and website)

1. flashcard type ? R4/DSTT est.2. If DSTT Are R4 with ysmenu firmware then maybe: http://forum.romulation.net/index.php?topic=43121.0Other cards may very.We have no idea of your card type are website of card.