It's not going to delete your data or anything like that. >_< It will just modify your Wii, that's it. You remove the SD card, your Wii is normal. You use Homebrew Channel to load games, it's modified. That's it.ToxicBox said:I have SD card in my Wii but it got $150 of virtual console also 100 of saved games for wii in it so I can't risk it