Well, I checked the latest .dat file with r4cce and Yu-Gi-Oh! 5D's World Championship 2011 Over the Nexus (E) is listed. Try rebuilding, press X on the Error - Cheat file was not found screen. Or maybe your game has been altered? The Game ID is BYYP-79214ABD. You can use r4cce to verify it.

This post has been edited by Athmel, Tue, August 21st, 2012 at 15:23