What the original poster needs to do would be run the cIOSCORP uninstaller as this will put all of your IOS' back (with the trucha bug).

Im not sure if you have preloader or boot mii or a way of running home brew code (twilight hack, banner bomb, stack smash hack) but thats what needs to be done.

If you cannot run custom code to do this you will probably have to send this to nintendo so they can repair it. I would remove the wiikey tho.