have you got any of these games?
Donkey Kong Country Returns
FlingSmash
Kirby's Epic Yarn
Kirby's Return to Dreamland
Mario Sports Mix
PokePark Wii: Pikachu's Adventure
Samurai Warriors 3
Sin and Punishment: Star Successor
Super Mario All-Stars
Wii Party
if so turn your router off and put one of the games in as it will load the up date from the disc
if this doesn't work look to see next to your 4.3 if it's got a E OR U