Right now it is impossible to unload the Homebrew Launcher from Mii Maker. This makes it impossible to apply SSL patches and link an existing Wii U user account to an existing Nintendo Network ID because after you successfully input your NNID credentials it wants you to reselect a Mii from your console. But instead of opening Mii Maker it launches the Homebrew Launcher. This does not happen when you create a new NNID.
Right now it is impossible to unload the Homebrew Launcher from Mii Maker. This makes it impossible to apply SSL patches and link an existing Wii U user account to an existing Nintendo Network ID because after you successfully input your NNID credentials it wants you to reselect a Mii from your console. But instead of opening Mii Maker it launches the Homebrew Launcher. This does not happen when you create a new NNID.