NEW Wii System Update 4.3
DO NOT UPDATE
Nintendo released a new Wii firmware update that brings the system menu 4.3U.
The update removes cIOS (Hermes and Wanin), removes all traces of Homebrew (CIOs, Priiloader, cIOSCORP, BootMii) in the Nand and improves the performance of the Wii.
Nintendo's official website confirms that the update is to remove all traces of piracy on the Wii.
"Unauthorized Modifications
Unauthorized Because of impaired May channels or firmware or the game play the Wii console, updating to the Wii MENU Version 4.3 will check for and Such Unauthorized Files Automatically remove. In Addition, There Are Some behind the scenes enhancements That Do Not Affect Any prominently-used features or menus But will Improve system performance. "