I quickly adapted DarkWii Extended for 4.1, Wii settings work fine. The "white Launch button" issue after inserting a disk or switching between a blank disk channel and another one is also fixed (the problem was caused by a RLMC tag in a chanTtl.ash brlan). 4.1E version here - 4.1U version here. - Open NUS Downloader - Click on "Generate Certs" - Check the "Decrypt contents" box - Insert 0000000100000002 in the first textbox and 449 (for NTSC/U) or 450 (for PAL) in the second one - Click on "Start NUS Download" - When it´s done, close it and launch patch.bat - Copy the newly-created FSToolBox folder on the SD - With FSToolBox navigate to title/00000001/00000002/content and press + on 0000007b.app (NTSC/U) or 0000007e.app (PAL) to overwrite the original file. - Enjoy. Credits go to the original author(s).