What wii menu version do you have. THere are many tutorial here that multiple people have had success here based on what version your wii is. Before you can get a back up loader on your wii you need to install some CIOS which you are able to do after you install the home brew channel. FInd out what version of wii menu you have by going into the wii setting menu and looking in the top corner. THen either search or go to the tutorial section and find one that corrasponds with the version you have. If you have problem doing one of them. THere will be people that have done the same process that might of ran it to the same problem and is will to help you. If you decide to go that route you might try reformatting your wii to start at a clean slate. If you already have the home brew channel or preloader or boot mii many of the tutorial you cna jump in the middle of the process .