Have you got homebrew installed?
If you have homebrew installed save the file from this LINK unzip it and plave in a folder called apps on the root of your memory card. Open homebrea and run the program.
Its one program that will do a virgin wii for you.
best way update to 4.3 and do the softmod that way all you need is a mates copy off lego indiana jones it works a treat done lots this way very quick to do and safe