wireless problem

DS wireless communications cannot be performedthat is the popup that i get wit GI Joe rise of cobra so i cant play with other people what is really annoying because i want to play with some friendsanyone with the same problem ??
anyone with a solution for it ??shizox

What flashcart are you using? What firmware?

R4 card with the newest firmware and i Arm7 patched the game

Some say that ARM7 patching kills wifi.

It does/can. You'll have to try different ARM7 files until you find one that works for both Saving and WiFi. I've heard that the Bomberman game arm7 file works well in some cases.