Wii error code 51330

My nintendo wii has connected wirelessly to my computer for about 8 months then about 2 weeks ago just stopped working, my DS still connects fine, my router is 2WIRE, I changed the channel to 1 and 11, the WEP key is correct, the 802.11 thing is on g/b I disconnected and reconnected the router, I turned off all firewalls, and I ttryed everything else the the nindendo error code website suggested to me, can someone please HELP ME!!!!!!